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/rpc/id.ts

@@ -0,0 +1,13 @@
+function createIdStore() {
+  return {
+    current: 0,
+    take() {
+      return this.current++
+    },
+    reset() {
+      this.current = 0
+    },
+  }
+}
+
+export const idCache = /*#__PURE__*/ createIdStore()