Revert "Merge branch '350312-labels-widget-auto-select-first-label-when-searching' into 'master'"

This reverts merge request !78246

app/assets/javascripts/vue_shared/components/sidebar/labels_select_widget/dropdown_contents_labels_view.vue

@@ -84,14 +84,6 @@ export default {
     showNoMatchingResultsMessage() {
       return Boolean(this.searchKey) && this.visibleLabels.length === 0;
     },
-    shouldHighlighFirstItem() {
-      return this.searchKey !== '' && this.visibleLabels.length > 0;
-    },
-  },
-  updated() {
-    if (this.shouldHighlighFirstItem) {
-      this.$refs.labelItem[0]?.$el?.firstChild?.focus();
-    }
   },
   methods: {
     isLabelSelected(label) {
@@ -151,14 +143,11 @@ export default {
         />
         <template v-else>
           <gl-dropdown-item
-            v-for="(label, index) in visibleLabels"
-            ref="labelItem"
+            v-for="label in visibleLabels"
             :key="label.id"
             :is-checked="isLabelSelected(label)"
             :is-check-centered="true"
             :is-check-item="true"
-            :active="shouldHighlighFirstItem && index === 0"
-            active-class="is-focused"
             data-testid="labels-list"
             @click.native.capture.stop="handleLabelClick(label)"
           >

spec/frontend/vue_shared/components/sidebar/labels_select_widget/dropdown_contents_labels_view_spec.js

@@ -110,19 +110,6 @@ describe('DropdownContentsLabelsView', () => {
     });
   });
 
-  it('first item is active when search is not empty', async () => {
-    createComponent({
-      queryHandler: jest.fn().mockResolvedValue(workspaceLabelsQueryResponse),
-      searchKey: 'Label',
-    });
-    await makeObserverAppear();
-    await waitForPromises();
-    await nextTick();
-
-    expect(findLabelsList().exists()).toBe(true);
-    expect(findFirstLabel().attributes('active')).toBe('true');
-  });
-
   it('when search returns 0 results', async () => {
     createComponent({
       queryHandler: jest.fn().mockResolvedValue({