Add remove / block user confirmation.

Can now call from friends list.

Add rounded corners to sidebar.

Fix: Auto-complete font size.

Fix: Clear status if empty string given.

Feature: Remember what channel was opened last.
Channels: ESC to focus message box / cancel editing.

Fix: Restore hooks.ts patch, additionally use numbers.

Fix build issues.
Remove mediasoup from vendor bundle.

Prevent empty pastes of files.
Log push errors.

Add profile links / app links back.
Add quoting / mentioning back.

Focus editor / box properly.

Add message editor back.

Modularise server header.