Show loading button inline in MR widget

app/assets/javascripts/vue_merge_request_widget/components/states/mr_widget_auto_merge_failed.vue

@@ -44,7 +44,10 @@
         type="button"
         class="btn btn-xs btn-default"
       >
-        <loading-icon v-if="isRefreshing" />
+        <loading-icon
+          v-if="isRefreshing"
+          :inline="true"
+        />
         {{ s__("mrWidget|Refresh") }}
       </button>
     </div>

changelogs/unreleased/fl-refresh-btn.yml

+---
+title: Show loading button inline in refresh button in MR widget
+merge_request:
+author:
+type: fixed