UI: Re-raise remux dialog after selecting file on macOS

UI/window-remux.cpp

@@ -235,6 +235,10 @@ void RemuxEntryPathItemDelegate::handleBrowse(QWidget *container)
 			container->setProperty(PATH_LIST_PROP, paths);
 			isSet = true;
 		}
+#ifdef __APPLE__
+		// TODO: Revisit when QTBUG-42661 is fixed
+		container->window()->raise();
+#endif
 	}
 
 	if (isSet)