fix rare crash due to unfocus effect

plugins/in-app-menu/front.js

@@ -6,6 +6,8 @@ module.exports = () => {
 	const bar = new customTitlebar.Titlebar({
 		backgroundColor: customTitlebar.Color.fromHex("#050505"),
 		itemBackgroundColor: customTitlebar.Color.fromHex("#121212"),
+		// !important - unfocus effect can sometimes cause crash as of v3.2.6 of custom-electron-titlebar
+		unfocusEffect: false 
 	});
 	bar.updateTitle(" ");
 	document.title = "Youtube Music";