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/messages/print-config-with-directory-path.js

@@ -0,0 +1,8 @@
+"use strict";
+
+module.exports = function() {
+    return `
+The '--print-config' CLI option requires a path to a source code file rather than a directory.
+See also: https://eslint.org/docs/latest/use/command-line-interface#--print-config
+`.trimStart();
+};