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/core-js/features/regexp/constructor.js

@@ -0,0 +1,2 @@
+'use strict';
+module.exports = require('../../full/regexp/constructor');

node_modules/core-js/features/regexp/dot-all.js

@@ -0,0 +1,2 @@
+'use strict';
+module.exports = require('../../full/regexp/dot-all');

node_modules/core-js/features/regexp/escape.js

@@ -0,0 +1,2 @@
+'use strict';
+module.exports = require('../../full/regexp/escape');

node_modules/core-js/features/regexp/flags.js

@@ -0,0 +1,2 @@
+'use strict';
+module.exports = require('../../full/regexp/flags');

node_modules/core-js/features/regexp/index.js

@@ -0,0 +1,2 @@
+'use strict';
+module.exports = require('../../full/regexp');

node_modules/core-js/features/regexp/match.js

@@ -0,0 +1,2 @@
+'use strict';
+module.exports = require('../../full/regexp/match');

node_modules/core-js/features/regexp/replace.js

@@ -0,0 +1,2 @@
+'use strict';
+module.exports = require('../../full/regexp/replace');

node_modules/core-js/features/regexp/search.js

@@ -0,0 +1,2 @@
+'use strict';
+module.exports = require('../../full/regexp/search');

node_modules/core-js/features/regexp/split.js

@@ -0,0 +1,2 @@
+'use strict';
+module.exports = require('../../full/regexp/split');

node_modules/core-js/features/regexp/sticky.js

@@ -0,0 +1,2 @@
+'use strict';
+module.exports = require('../../full/regexp/sticky');

node_modules/core-js/features/regexp/test.js

@@ -0,0 +1,2 @@
+'use strict';
+module.exports = require('../../full/regexp/test');

node_modules/core-js/features/regexp/to-string.js

@@ -0,0 +1,2 @@
+'use strict';
+module.exports = require('../../full/regexp/to-string');