SIGN IN SIGN UP

Modernize chat example (#5594)

Refresh look & feel with better Liquid Glass TabBar integration.
Move dependencies to version catalog.

Relates to [CMP-8163](https://youtrack.jetbrains.com/issue/CMP-8163)
Update examples to latest best practices

## Release Notes
N/A
V
Victor Kropp committed
8403f41b53bb877e1b46debfba7ba762c45bd781
Parent: f03a932
Committed by GitHub <noreply@github.com> on 5/11/2026, 10:04:03 AM