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/jayson/promise/lib/index.js

@@ -0,0 +1,33 @@
+'use strict';
+
+const Jayson = require('../..');
+
+/**
+ * Namespace available as require('jayson/promise')
+ * @namespace JaysonPromise
+ */
+const JaysonPromise = module.exports;
+
+/**
+ * @static
+ * @type PromiseClient
+ */
+JaysonPromise.Client = JaysonPromise.client = require('./client');
+
+/**
+ * @static
+ * @type Server
+ */
+JaysonPromise.Server = JaysonPromise.server = require('./server');
+
+/**
+ * @static
+ * @type Utils
+ */
+JaysonPromise.Utils = JaysonPromise.utils = Jayson.utils;
+
+/**
+ * @static
+ * @type PromiseMethod
+ */
+JaysonPromise.Method = JaysonPromise.method = require('./method');