catch null idle case

client/src/components/anims/wiggle.jsx

@@ -1,6 +1,7 @@
 const anime = require('animejs').default;
 
 function wiggle(id, idle) {
+    if (!idle) return true;
     const duration = 300;
     const target = document.getElementById(id);
     const x = window.innerWidth * 0.01 * (Math.round(Math.random()) ? Math.random() : -Math.random());