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/flowRight.js

@@ -0,0 +1,26 @@
+var createFlow = require('./_createFlow');
+
+/**
+ * This method is like `_.flow` except that it creates a function that
+ * invokes the given functions from right to left.
+ *
+ * @static
+ * @since 3.0.0
+ * @memberOf _
+ * @category Util
+ * @param {...(Function|Function[])} [funcs] The functions to invoke.
+ * @returns {Function} Returns the new composite function.
+ * @see _.flow
+ * @example
+ *
+ * function square(n) {
+ *   return n * n;
+ * }
+ *
+ * var addSquare = _.flowRight([square, _.add]);
+ * addSquare(1, 2);
+ * // => 9
+ */
+var flowRight = createFlow(true);
+
+module.exports = flowRight;