Make Loading Icon on Feature Flag Edit Page Larger

Also add some spacing at the top.

app/assets/javascripts/feature_flags/components/edit_feature_flag.vue

@@ -103,7 +103,7 @@ export default {
     >
       {{ $options.translations.newFlagAlert }}
     </gl-alert>
-    <gl-loading-icon v-if="isLoading" />
+    <gl-loading-icon v-if="isLoading" size="xl" class="gl-mt-7" />
 
     <template v-else-if="!isLoading && !hasError">
       <gl-alert v-if="deprecatedAndEditable" variant="warning" :dismissible="false" class="gl-my-5">

changelogs/unreleased/feature-flags-edit-increase-loading-icon-size.yml

+---
+title: Make loading icon on feature flag edit page larger
+merge_request: 46268
+author:
+type: fixed