feat: Inbox view enhancements

[iamsivin]

Pull Request Template

Description

This PR includes

1. Fix the back button to redirect to the inbox view and separate the expanded layout used in the conversation screen.
2. Now uses notification ID for the route instead of conversation ID and moves the route config from conversation routes.
3. Close the inbox list display and options menu if the inbox card context menu is open.
4. Removed the list end message.
5. Minor clean up

Fixes

1. https://linear.app/chatwoot/issue/CW-3061/why-is-there-an-expanded-view-in-inbox
2. https://linear.app/chatwoot/issue/CW-3062/the-url-uses-conversation-id-it-should-be-the-notification-id
3. https://linear.app/chatwoot/issue/CW-3063/dropdown-doesnt-work-properly-overlapping-menus-can-be-seen
4. https://linear.app/chatwoot/issue/CW-3066/remove-the-end-of-list-message-it-is-not-required

Type of change

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Loom video
https://www.loom.com/share/b9af53b1bda14168b10e3c8d927959f2?sid=63f2db3c-f963-4b65-bce4-238dba989604

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented on my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[github-actions]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.