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/viem/utils/promise/withResolvers.ts

@@ -0,0 +1,19 @@
+/** @internal */
+export type PromiseWithResolvers<type> = {
+  promise: Promise<type>
+  resolve: (value: type | PromiseLike<type>) => void
+  reject: (reason?: unknown) => void
+}
+
+/** @internal */
+export function withResolvers<type>(): PromiseWithResolvers<type> {
+  let resolve: PromiseWithResolvers<type>['resolve'] = () => undefined
+  let reject: PromiseWithResolvers<type>['reject'] = () => undefined
+
+  const promise = new Promise<type>((resolve_, reject_) => {
+    resolve = resolve_
+    reject = reject_
+  })
+
+  return { promise, resolve, reject }
+}