Number of unread messages in the room/chat

[MarianRychtecky]

I would really love to have the number of unread messages in the room/chat overview and the rest of the unread messages in the chat window.

Telegram-style conversation list:

Telegram-style message window:

In dark mode, it is very hard to see the "blue/green" dot in chat, and if you use a channel for monitoring, you don't know how many messages are waiting for you to process.

[MarianRychtecky]

Adding more related feedback

Mentions represented as @<number> in the conversations list
Mentions represented as @<number> in the message window (click on @ will take you up to the related message)

Related to The red number next to a room tile should be the number of notifications, not the number of unreads