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/emoji-regex/index.d.ts

@@ -0,0 +1,23 @@
+declare module 'emoji-regex' {
+    function emojiRegex(): RegExp;
+
+    export default emojiRegex;
+}
+
+declare module 'emoji-regex/text' {
+    function emojiRegex(): RegExp;
+
+    export default emojiRegex;
+}
+
+declare module 'emoji-regex/es2015' {
+    function emojiRegex(): RegExp;
+
+    export default emojiRegex;
+}
+
+declare module 'emoji-regex/es2015/text' {
+    function emojiRegex(): RegExp;
+
+    export default emojiRegex;
+}