FRE-600: Fix code review blockers

- Consolidated duplicate UndoManagers to single instance
- Fixed connection promise to only resolve on 'connected' status
- Fixed WebSocketProvider import (WebsocketProvider)
- Added proper doc.destroy() cleanup
- Renamed isPresenceInitialized property to avoid conflict

Co-Authored-By: Paperclip <noreply@paperclip.ing>

node_modules/text-table/example/align.js

@@ -0,0 +1,8 @@
+var table = require('../');
+var t = table([
+    [ 'beep', '1024' ],
+    [ 'boop', '33450' ],
+    [ 'foo', '1006' ],
+    [ 'bar', '45' ]
+], { align: [ 'l', 'r' ] });
+console.log(t);