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/test/table.js

@@ -0,0 +1,14 @@
+var test = require('tape');
+var table = require('../');
+
+test('table', function (t) {
+    t.plan(1);
+    var s = table([
+        [ 'master', '0123456789abcdef' ],
+        [ 'staging', 'fedcba9876543210' ]
+    ]);
+    t.equal(s, [
+        'master   0123456789abcdef',
+        'staging  fedcba9876543210'
+    ].join('\n'));
+});