Snap in PiP widget when content changed (#9797)

src/components/views/voip/PictureInPictureDragger.tsx

@@ -85,6 +85,10 @@ export default class PictureInPictureDragger extends React.Component<IProps> {
         UIStore.instance.off(UI_EVENTS.Resize, this.onResize);
     }
 
+    public componentDidUpdate(prevProps: Readonly<IProps>): void {
+        if (prevProps.children !== this.props.children) this.snap(true);
+    }
+
     private animationCallback = () => {
         if (
             !this.moving &&