rename setting to "use alt now playing ..."

+ fix right now playing component gap
+ show emoji if there's no search result
+ abstract now playing component settings into one setting
+ break context menu's context item into a component

src/utils/useFocusElem.ts

@@ -19,5 +19,5 @@ export default function focusElem(
         inline: "center",
       });
     }
-  }, delay | 300);
+  }, delay || 300);
 }