Fix assignee avatar alignment in edit board modal

changelogs/unreleased/fix-avatar-alignment-edit-board.yml

+---
+title: Fix assignee avatar alignment in edit board modal
+merge_request: 52453
+author: Yogi (@yo)
+type: fixed

ee/app/assets/javascripts/boards/components/assignee_select.vue

@@ -107,7 +107,7 @@ export default {
       </button>
     </div>
     <div class="value">
-      <div v-if="hasValue" class="media">
+      <div v-if="hasValue" class="media gl-display-flex gl-align-items-center">
         <div class="align-center">
           <user-avatar-image :img-src="selected.avatar_url" :size="32" />
         </div>