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/constants/unit.ts

@@ -0,0 +1,12 @@
+export const etherUnits = {
+  gwei: 9,
+  wei: 18,
+}
+export const gweiUnits = {
+  ether: -9,
+  wei: 9,
+}
+export const weiUnits = {
+  ether: -18,
+  gwei: -9,
+}