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/fast-glob/out/utils/path.d.ts

@@ -0,0 +1,13 @@
+import { Pattern } from '../types';
+/**
+ * Designed to work only with simple paths: `dir\\file`.
+ */
+export declare function unixify(filepath: string): string;
+export declare function makeAbsolute(cwd: string, filepath: string): string;
+export declare function removeLeadingDotSegment(entry: string): string;
+export declare const escape: typeof escapeWindowsPath;
+export declare function escapeWindowsPath(pattern: Pattern): Pattern;
+export declare function escapePosixPath(pattern: Pattern): Pattern;
+export declare const convertPathToPattern: typeof convertWindowsPathToPattern;
+export declare function convertWindowsPathToPattern(filepath: string): Pattern;
+export declare function convertPosixPathToPattern(filepath: string): Pattern;