tell tooltip when format bar gets hidden, as it won't be unmounted

src/components/views/elements/InteractiveTooltip.js

@@ -95,6 +95,8 @@ export default class InteractiveTooltip extends React.Component {
         content: PropTypes.node.isRequired,
         // Function to call when visibility of the tooltip changes
         onVisibilityChange: PropTypes.func,
+        // flag to forcefully hide this tooltip
+        forceHidden: PropTypes.bool,
     };
 
     constructor() {
@@ -269,8 +271,8 @@ export default class InteractiveTooltip extends React.Component {
 
     renderTooltip() {
         const { contentRect, visible } = this.state;
-        if (!visible) {
             ReactDOM.unmountComponentAtNode(getOrCreateContainer());
+        if (this.props.forceHidden === true || !visible) {
             return null;
         }