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/loupe/lib/bigint.js

@@ -0,0 +1,7 @@
+import { truncate, truncator } from './helpers'
+
+export default function inspectBigInt(number, options) {
+  let nums = truncate(number.toString(), options.truncate - 1)
+  if (nums !== truncator) nums += 'n'
+  return options.stylize(nums, 'bigint')
+}