refactor: update iconfield demo

Author: mertsincan

apps/showcase/demo/styled/iconfield/basic-demo.tsx

@@ -1,7 +1,7 @@
-import { IconField } from '@primereact/ui/iconfield';
-import { InputText } from '@primereact/ui/inputtext';
 import { Search } from '@primeicons/react/search';
 import { Spinner } from '@primeicons/react/spinner';
+import { IconField } from '@primereact/ui/iconfield';
+import { InputText } from '@primereact/ui/inputtext';
 
 export default function BasicDemo() {
     return (
@@ -15,7 +15,7 @@ export default function BasicDemo() {
             <IconField.Root>
                 <InputText variant="filled" />
                 <IconField.Inset>
-                    <Spinner />
+                    <Spinner className="animate-spin" />
                 </IconField.Inset>
             </IconField.Root>
         </div>

apps/showcase/demo/styled/iconfield/sizes-demo.tsx

@@ -1,9 +1,9 @@
-import { IconField } from '@primereact/ui/iconfield';
-import { InputText } from '@primereact/ui/inputtext';
 import { Lock } from '@primeicons/react/lock';
 import { Search } from '@primeicons/react/search';
 import { Spinner } from '@primeicons/react/spinner';
 import { User } from '@primeicons/react/user';
+import { IconField } from '@primereact/ui/iconfield';
+import { InputText } from '@primereact/ui/inputtext';
 
 export default function SizesDemo() {
     return (
@@ -28,7 +28,7 @@ export default function SizesDemo() {
                 </IconField.Inset>
                 <InputText placeholder="Large" size="large" />
                 <IconField.Inset>
-                    <Spinner />
+                    <Spinner className="animate-spin" />
                 </IconField.Inset>
             </IconField.Root>
         </div>