feat: Add toggle option for formatting buttons and shortcuts

[amitkumarashutosh]

Feature summary

Fix the toggle option for formatting buttons and shortcuts in message composer

Video

Screen.Recording.2025-02-26.at.11.31.47.AM.mov

Issue(s)

#35086

Steps to test or reproduce

1. Open the message composer in Rocket.Chat.
2. Type some text and select it.
3. Click the Bold (B) button or use the shortcut (Ctrl+B / Cmd+B).
4. Click the Bold button again or use the shortcut again.

[dionisio-bot]

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