Remove @atlaskit/dropdown
Convert some files to TS

Use new TS config from @jitsi/eslint
Fix all lint errors

Replace all checkboxes in the Settings Dialog
Convert some dialog tabs to TS

* fix: Fixes disable moderation sounds in meeting.

Moderators in the meeting were sending presence update after one moderator turn it on, which even my result a inconsistent state and flipping the state between moderators several times.

* squash: Adds option to disable reaction moderation.