fix: change create to add account (#37288)

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## **Description**

 This PR change the copy text of `Create Account` to `Add Account`

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1. What is the reason for the change?
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## **Changelog**

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CHANGELOG entry: Updates add account button text to `Add account`

## **Related issues**

Fixes:
https://consensyssoftware.atlassian.net/browse/MUL-1197?atlOrigin=eyJpIjoiMWRlOGQ3NDRjYjdmNGFiNTg2MTBjMTIyM2ZiYTI3MzUiLCJwIjoiaiJ9

## **Manual testing steps**

1. Go to the account list
2. See that the `Add account` text


## **Screenshots/Recordings**

<!-- If applicable, add screenshots and/or recordings to visualize the
before and after of your change. -->

### **Before**

<img width="403" height="599" alt="Screenshot 2025-10-28 at 10 25 28"
src="https://github.com/user-attachments/assets/48eab79d-eb80-4c96-856c-4144060ef2ed"
/>


<!-- [screenshots/recordings] -->

### **After**

<img width="406" height="606" alt="Screenshot 2025-10-28 at 10 24 55"
src="https://github.com/user-attachments/assets/fe6d1995-a9a4-4389-a6f4-250156775910"
/>

<!-- [screenshots/recordings] -->

## **Pre-merge author checklist**

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Docs](https://github.com/MetaMask/contributor-docs) and [MetaMask
Extension Coding
Standards](https://github.com/MetaMask/metamask-extension/blob/main/.github/guidelines/CODING_GUIDELINES.md).
- [x] I've completed the PR template to the best of my ability
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Not required for external contributors.

## **Pre-merge reviewer checklist**

- [ ] I've manually tested the PR (e.g. pull and build branch, run the
app, test code being changed).
- [ ] I confirm that this PR addresses all acceptance criteria described
in the ticket it closes and includes the necessary testing evidence such
as recordings and or screenshots.

<!-- CURSOR_SUMMARY -->
---

> [!NOTE]
> Renames multichain account button and loading text to "Add
account"/"Adding account..." and updates tests and e2e selectors
accordingly.
> 
> - **Localization**:
> - Update `createMultichainAccountButton` to `"Add account"` and
`createMultichainAccountButtonLoading` to `"Adding account..."` in
`app/_locales/en/messages.json` and `app/_locales/en_GB/messages.json`.
> - **E2E**:
> - Adjust `test/e2e/page-objects/pages/account-list-page.ts` to wait
for `"Add account"` in multichain state.
> - **Unit Tests**:
> - Update assertions in
`ui/components/multichain-accounts/add-multichain-account/add-multichain-account.test.tsx`
for new texts.
> - Update
`ui/pages/multichain-accounts/wallet-details-page/wallet-details-page.test.tsx`
to expect `"Add account"`.
> 
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
bd3120b. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

Author: montelaidev

app/_locales/en/messages.json

@@ -229,7 +229,7 @@ class AccountListPage {
         ? [
             {
               css: this.createMultichainAccountButton,
-              text: 'Create account',
+              text: 'Add account',
             },
             this.multichainAccountOptionsMenuButton,
           ]

app/_locales/en_GB/messages.json

@@ -36,8 +36,8 @@ describe('AddMultichainAccount', () => {
     metamask: {
       localeMessages: {
         current: {
-          createMultichainAccountButton: 'Create account',
-          createMultichainAccountButtonLoading: 'Creating account...',
+          createMultichainAccountButton: 'Add account',
+          createMultichainAccountButtonLoading: 'Adding account...',
         },
         currentLocale: 'en',
       },
@@ -64,7 +64,7 @@ describe('AddMultichainAccount', () => {
     expect(
       screen.getByTestId(addMultichainAccountButtonTestId),
     ).toBeInTheDocument();
-    expect(screen.getByText('Create account')).toBeInTheDocument();
+    expect(screen.getByText('Add account')).toBeInTheDocument();
     expect(
       container.querySelector(addMultichainAccountIconClass),
     ).toBeInTheDocument();
@@ -91,7 +91,7 @@ describe('AddMultichainAccount', () => {
 
     fireEvent.click(screen.getByTestId(addMultichainAccountButtonTestId));
 
-    expect(screen.getByText('Creating account...')).toBeInTheDocument();
+    expect(screen.getByText('Adding account...')).toBeInTheDocument();
     expect(
       container.querySelector(addMultichainAccountIconClass),
     ).not.toBeInTheDocument();
@@ -131,7 +131,7 @@ describe('AddMultichainAccount', () => {
     fireEvent.click(screen.getByTestId(addMultichainAccountButtonTestId));
 
     // Verify we're in the loading state first
-    expect(screen.getByText('Creating account...')).toBeInTheDocument();
+    expect(screen.getByText('Adding account...')).toBeInTheDocument();
 
     // Wait for the async operation to complete (first run any pending promises)
     await Promise.resolve();
@@ -140,7 +140,7 @@ describe('AddMultichainAccount', () => {
     await Promise.resolve();
 
     // Check that the component returned to normal state
-    expect(screen.getByText('Create account')).toBeInTheDocument();
+    expect(screen.getByText('Add account')).toBeInTheDocument();
     expect(
       container.querySelector(addMultichainAccountIconClass),
     ).toBeInTheDocument();
@@ -187,10 +187,10 @@ describe('AddMultichainAccount', () => {
         store,
       );
 
-      fireEvent.click(getByText('Create account'));
+      fireEvent.click(getByText('Add account'));
 
       await waitFor(() => {
-        expect(getByText('Creating account...')).toBeInTheDocument();
+        expect(getByText('Adding account...')).toBeInTheDocument();
       });
     });
 
@@ -230,7 +230,7 @@ describe('AddMultichainAccount', () => {
       expect(getByText('Syncing...')).toBeInTheDocument();
     });
 
-    it('shows default create account text when no loading states are active', () => {
+    it('shows default Add account text when no loading states are active', () => {
       mockUseAccountsOperationsLoadingStates.mockReturnValue({
         isAccountTreeSyncingInProgress: false,
         areAnyOperationsLoading: false,
@@ -242,7 +242,7 @@ describe('AddMultichainAccount', () => {
         store,
       );
 
-      expect(getByText('Create account')).toBeInTheDocument();
+      expect(getByText('Add account')).toBeInTheDocument();
     });
 
     it('handles loading state transitions correctly', () => {
@@ -259,7 +259,7 @@ describe('AddMultichainAccount', () => {
         store,
       );
 
-      expect(getByText('Create account')).toBeInTheDocument();
+      expect(getByText('Add account')).toBeInTheDocument();
 
       // Simulate account syncing starting
       mockUseAccountsOperationsLoadingStates.mockReturnValue({
@@ -281,7 +281,7 @@ describe('AddMultichainAccount', () => {
 
       rerender(<AddMultichainAccount walletId={mockWalletId} />);
 
-      expect(getByText('Create account')).toBeInTheDocument();
+      expect(getByText('Add account')).toBeInTheDocument();
     });
   });
 });

test/e2e/page-objects/pages/account-list-page.ts

@@ -91,6 +91,6 @@ describe('WalletDetailsPage', () => {
   it('renders AddMultichainAccount component for entropy wallets', () => {
     renderComponent();
 
-    expect(screen.getByText('Create account')).toBeInTheDocument();
+    expect(screen.getByText('Add account')).toBeInTheDocument();
   });
 });