Re-add js-user-link to design note

app/assets/javascripts/design_management/components/design_notes/design_note.vue

@@ -102,6 +102,7 @@ export default {
         <gl-link
           v-once
           :href="author.webUrl"
+          class="js-user-link"
           data-testid="user-link"
           :data-user-id="authorId"
           :data-username="author.username"

spec/frontend/design_management/components/design_notes/__snapshots__/design_note_spec.js.snap

@@ -24,6 +24,7 @@ exports[`Design note component should match the snapshot 1`] = `
   >
     <div>
       <gl-link-stub
+        class="js-user-link"
         data-testid="user-link"
         data-user-id="1"
         data-username="foo-bar"

spec/frontend/shortcuts_spec.js

@@ -41,7 +41,7 @@ describe('Shortcuts', () => {
       ).toHaveBeenCalled();
     });
 
-    it('focues preview button inside edit comment form', () => {
+    it('focuses preview button inside edit comment form', () => {
       document.querySelector('.js-note-edit').click();
 
       Shortcuts.toggleMarkdownPreview(