Wrap the close menu trigger in a timeout

src/components/views/rooms/Stickerpicker.js

@@ -231,7 +231,9 @@ export default class Stickerpicker extends React.Component {
         Modal.createTrackedDialog('Integrations Manager', '', IntegrationsManager, {
             src: src,
         }, "mx_IntegrationsManager");
-        this.stickersMenu.close();
+
+        // Wrap this in a timeout in order to avoid the DOM node from being pulled from under its feet
+        setTimeout(() => this.stickersMenu.close());
     }
 
     render() {