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/hermes-estree/dist/selectors.js.flow

@@ -0,0 +1,28 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow strict
+ * @format
+ */
+
+'use strict';
+
+import type {ESQueryNodeSelectorsWithoutFallback} from './generated/HermesESTreeSelectorTypes';
+
+export type ESQueryNodeSelectors = {
+  ...ESQueryNodeSelectorsWithoutFallback,
+
+  // We want to allow consumers to manually type their weird selectors.
+  // If we use the \`ESNode\` type here then flow will error on cases like this:
+  // 'FunctionDeclaration[id="foo"]'(node: FunctionDeclaration) {...}
+  // But this sucks as it means someone would then have to manually do an \`if\`
+  // check inside the selector body.
+  +[selector: string]: (node: $FlowFixMe) => void,
+};
+
+export type {ESQueryNodeSelectorsWithoutFallback} from './generated/HermesESTreeSelectorTypes';
+
+export {};