Re-design status context menu.

Add rounded corners to sidebar.

Fix strokes on home sidebar.
Add tooltips on servers.
Fix reply SVG direction.

(This build will fail.)

Fix: Auto-complete font size.

Fix: Clear status if empty string given.

Fix: Use conditional links for bottom navigation.
Fix: Margin error on queued messages.

Modals: Allow all modals to be closed by ESC (permitting).
Fix: Handle closing DMs properly. Stop propagation too.