Merge pull request #9962 from eVoloshchak/eVoloshchak_dropdownMenu

Fix issue with dropdown opening when using 'Enter' to create a new room

src/components/Button.js

@@ -159,6 +159,7 @@ class Button extends Component {
             if (!this.props.isFocused || this.props.isDisabled || this.props.isLoading || (e && e.target.nodeName === 'TEXTAREA')) {
                 return;
             }
+            e.preventDefault();
             this.props.onPress();
         }, shortcutConfig.descriptionKey, shortcutConfig.modifiers, true, false, this.props.enterKeyEventListenerPriority, false);
     }