fix: add loading state to buttons in forms and update button styles

app/layouts/news/form-login.tsx

@@ -24,7 +24,6 @@ export const FormLogin = () => {
   } = useNewsContext()
   const fetcher = useFetcher()
   const [error, setError] = useState<string>()
-  const [disabled, setDisabled] = useState(false)
 
   const formMethods = useRemixForm<TLoginSchema>({
     mode: 'onSubmit',
@@ -37,11 +36,9 @@ export const FormLogin = () => {
   useEffect(() => {
     if (!fetcher.data?.success) {
       setError(fetcher.data?.message)
-      setDisabled(false)
       return
     }
 
-    setDisabled(true)
     setError(undefined)
     setIsLoginOpen(false)
 
@@ -95,7 +92,8 @@ export const FormLogin = () => {
             </div>
 
             <Button
-              disabled={disabled}
+              isLoading={fetcher.state !== 'idle'}
+              disabled={fetcher.state !== 'idle'}
               type="submit"
               className="w-full rounded-md py-2"
             >