Enhancement: Fix dispose check in presenter webview and update changelog for version 0.0.84

Author: estruyf

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Change Log
 
+## [0.0.84] - 2025-03-18
+
+- Fix in dispose check on the presenter webview
+
 ## [0.0.83] - 2025-03-18
 
 - [#64](https://github.com/estruyf/vscode-demo-time/issues/64): Slide list spacing improvements

src/presenterView/PresenterView.ts

@@ -129,6 +129,10 @@ export class PresenterView {
   }
 
   public static async postMessage(command: string, payload: any) {
+    if (PresenterView.isDisposed) {
+      return;
+    }
+
     PresenterView.webview?.webview.postMessage({
       command,
       payload,