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/eslint-plugin-solid/dist/rules/jsx-no-undef.d.ts

@@ -0,0 +1,11 @@
+import type { TSESLint } from "@typescript-eslint/utils";
+type MessageIds = "undefined" | "customDirectiveUndefined" | "autoImport";
+type Options = [
+    {
+        allowGlobals?: boolean;
+        autoImport?: boolean;
+        typescriptEnabled?: boolean;
+    }?
+];
+declare const _default: TSESLint.RuleModule<MessageIds, Options, TSESLint.RuleListener>;
+export default _default;