fix: multiple sidebar issues

[Spiral-Memory]

Brief Title

This PR is intended to fix some bugs and UI issues and inconsistency in sidebars and refactor them.

Acceptance Criteria fulfillment

• [x] fixed multiple rendering bugs
• [x] refactored other components into sidebar component
• [x] fixed invite link unable to render issue
• [x] shifted to inline emotion styling
• [x] removed overflows
• [x] added flexibility to wrap when formatted as code
• [x] added ellipsis in dynamic header
• [x] centered room avatar
• [x] added throbber in other sidebars
• [x] made throbber consistent across all sidebars

Fixes #526

Video/Screenshots

https://github.com/RocketChat/EmbeddedChat/assets/78961432/82431f91-bb26-4c17-9075-288d40a133b8

[Spiral-Memory]

Hey @sidmohanty11 There were multiple inconsistencies and bugs across the sidebars. Tried fixing as much i could see, Ready for review now ! Will fix more if see any other issues.

[sidmohanty11]

🎩