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/unit/parseEther.ts

@@ -0,0 +1,21 @@
+import { etherUnits } from '../../constants/unit.js'
+import type { ErrorType } from '../../errors/utils.js'
+
+import { type ParseUnitsErrorType, parseUnits } from './parseUnits.js'
+
+export type ParseEtherErrorType = ParseUnitsErrorType | ErrorType
+
+/**
+ * Converts a string representation of ether to numerical wei.
+ *
+ * - Docs: https://viem.sh/docs/utilities/parseEther
+ *
+ * @example
+ * import { parseEther } from 'viem'
+ *
+ * parseEther('420')
+ * // 420000000000000000000n
+ */
+export function parseEther(ether: string, unit: 'wei' | 'gwei' = 'wei') {
+  return parseUnits(ether, etherUnits[unit])
+}