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/lodash/_baseEvery.js

@@ -0,0 +1,21 @@
+var baseEach = require('./_baseEach');
+
+/**
+ * The base implementation of `_.every` without support for iteratee shorthands.
+ *
+ * @private
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {Function} predicate The function invoked per iteration.
+ * @returns {boolean} Returns `true` if all elements pass the predicate check,
+ *  else `false`
+ */
+function baseEvery(collection, predicate) {
+  var result = true;
+  baseEach(collection, function(value, index, collection) {
+    result = !!predicate(value, index, collection);
+    return result;
+  });
+  return result;
+}
+
+module.exports = baseEvery;