feat(chatInput): add useEffect hook to focus on chat input when lockChat is false and inputRef is available

fix(chatInput): remove unnecessary comment in useEffect hook

src/frontend/src/modals/chatModal/chatInput/index.tsx

@@ -10,6 +10,15 @@ export default function ChatInput({
   setChatValue,
   inputRef,
 }) {
+  useEffect(() => {
+    if (!lockChat && inputRef.current) {
+      inputRef.current.focus();
+    }
+  },[
+    lockChat,inputRef
+  ])
+
+
   useEffect(() => {
     if (inputRef.current) {
       inputRef.current.style.height = "inherit"; // Reset the height