fix(admin): import AksSorterField in AksFormRenderer

The sorter field was rendered in the template but never imported, so
the compiler treated it as an unknown element and share_items was
invisible on the social sharing page.

assets/admin/src/components/form/AksFormRenderer.vue

@@ -149,6 +149,7 @@ import FaIcon from './FaIcon.vue'
 import AksSaveBar from './AksSaveBar.vue'
 import AksFieldGroup from './AksFieldGroup.vue'
 import AksField from './AksField.vue'
+import AksSorterField from './AksSorterField.vue'
 
 const props = defineProps({
   /** Page title */