Fix keyboard focus on mobile.

Add remove / block user confirmation.

Re-design status context menu.

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

Fix: Copy ID copies wrong ID.
Messaging: Add context menu to avatar / username.

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

Servers: Fix various issues relating to voice channels.

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

Focus editor / box properly.

Add message editor back.

Add bars + header + sidebar to channels.

Load i18n files and add dayjs.