Merge pull request #3510 from matrix-org/dbkr/set_im_update

Fix integration manager not updating when set

Author: dbkr

src/utils/WidgetUtils.js

@@ -233,7 +233,9 @@ export default class WidgetUtils {
  };
 
  const client = MatrixClientPeg.get();
- const userWidgets = WidgetUtils.getUserWidgets();
+ // Get the current widgets and clone them before we modify them, otherwise
+ // we'll modify the content of the old event.
+ const userWidgets = JSON.parse(JSON.stringify(WidgetUtils.getUserWidgets()));
 
  // Delete existing widget with ID
  try {