* Update chat container of Connect
- Rename certain class names to improve BEM syntax and naming
- Update typography of message cells
- Update header of message area
- Use new 'info' icon to expand sidebar
- Update form fields for both writing and editing a message
- Implement Crayons styling for 'delete' modal
https://github.com/thepracticaldev/dev.to/issues/8437
* Update some tests aand class names
* Update tests