Update public/script.js

public/script.js

@@ -5,7 +5,7 @@ addEventListener('load', () => {
       for (const m of mut) {
         for (const node of m.addedNodes) {
           if (node instanceof HTMLElement) {
-            const input = node.getElementById('chat-input');
+            const input = node.querySelector('#chat-input');
             if (input) {
               input.value = params.get('q');
               obs.disconnect();