Centers loading icon in CI action

app/assets/stylesheets/pages/pipelines.scss

@@ -695,6 +695,10 @@
         top: -1px;
       }
+      .spinner {
+        top: 2px;
+      }
+
       &.play {
         svg {
           left: 2px;
@@ -861,6 +865,7 @@ button.mini-pipeline-graph-dropdown-toggle {
         }
       }
+      .spinner,
       svg {
         width: $ci-action-dropdown-svg-size;
         height: $ci-action-dropdown-svg-size;

changelogs/unreleased/64265-center-loading-icon.yml

+---
+title: Center loading icon in CI action component
+merge_request:
+author:
+type: fixed