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/doubledot.js

@@ -0,0 +1,11 @@
+var table = require('../');
+var t = table([
+    [ '0.1.2' ],
+    [ '11.22.33' ],
+    [ '5.6.7' ],
+    [ '1.22222' ],
+    [ '12345.' ],
+    [ '5555.' ],
+    [ '123' ]
+], { align: [ '.' ] });
+console.log(t);