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/es/function/bind.js

@@ -0,0 +1,5 @@
+'use strict';
+require('../../modules/es.function.bind');
+var entryUnbind = require('../../internals/entry-unbind');
+
+module.exports = entryUnbind('Function', 'bind');

node_modules/core-js/es/function/has-instance.js

@@ -0,0 +1,5 @@
+'use strict';
+require('../../modules/es.function.has-instance');
+var wellKnownSymbol = require('../../internals/well-known-symbol');
+
+module.exports = Function[wellKnownSymbol('hasInstance')];

node_modules/core-js/es/function/index.js

@@ -0,0 +1,7 @@
+'use strict';
+require('../../modules/es.function.bind');
+require('../../modules/es.function.name');
+require('../../modules/es.function.has-instance');
+var path = require('../../internals/path');
+
+module.exports = path.Function;

node_modules/core-js/es/function/name.js

@@ -0,0 +1,2 @@
+'use strict';
+require('../../modules/es.function.name');

node_modules/core-js/es/function/virtual/bind.js

@@ -0,0 +1,5 @@
+'use strict';
+require('../../../modules/es.function.bind');
+var getBuiltInPrototypeMethod = require('../../../internals/get-built-in-prototype-method');
+
+module.exports = getBuiltInPrototypeMethod('Function', 'bind');

node_modules/core-js/es/function/virtual/index.js

@@ -0,0 +1,5 @@
+'use strict';
+require('../../../modules/es.function.bind');
+var entryVirtual = require('../../../internals/entry-virtual');
+
+module.exports = entryVirtual('Function');