Enable ESLint rule no-jquery/no-sizzle

.eslintrc.yml

@@ -51,7 +51,6 @@ rules:
   no-jquery/no-animate-toggle: off
   no-jquery/no-event-shorthand: off
   no-jquery/no-serialize: error
-  no-jquery/no-sizzle: off
   promise/always-return: off
   promise/no-callback-in-promise: off
 overrides:

app/assets/javascripts/notes.js

@@ -1359,7 +1359,8 @@ export default class Notes {
       const $systemNote = $(systemNote);
       const headerMessage = $systemNote
         .find('.note-text')
-        .find('p:first')
+        .find('p')
+        .first()
         .text()
         .replace(':', '');
 

app/assets/javascripts/notifications_dropdown.js

@@ -11,7 +11,9 @@ export default function notificationsDropdown() {
     }
 
     const notificationLevel = $(this).data('notificationLevel');
-    const form = $(this).parents('.notification-form:first');
+    const form = $(this)
+      .parents('.notification-form')
+      .first();
 
     form.find('.js-notification-loading').toggleClass('fa-bell fa-spin fa-spinner');
     if (form.hasClass('no-label')) {

app/assets/javascripts/notifications_form.js

@@ -31,7 +31,7 @@ export default class NotificationsForm {
   }
 
   saveEvent($checkbox, $parent) {
-    const form = $parent.parents('form:first');
+    const form = $parent.parents('form').first();
 
     this.showCheckboxLoadingSpinner($parent);
 

app/assets/javascripts/tree.js

@@ -21,7 +21,9 @@ export default class TreeView {
       }
     });
     // Show the "Loading commit data" for only the first element
-    $('span.log_loading:first').removeClass('hide');
+    $('span.log_loading')
+      .first()
+      .removeClass('hide');
   }
 
   initKeyNav() {

ee/app/assets/javascripts/projects/custom_project_templates.js

@@ -90,7 +90,10 @@ const bindEvents = () => {
       projectNew.onProjectNameChange($activeTabProjectName, $activeTabProjectPath),
     );
 
-    $projectFieldsForm.find('.js-select-namespace:first').val(subgroupId);
+    $projectFieldsForm
+      .find('.js-select-namespace')
+      .first()
+      .val(subgroupId);
   }
 
   $useCustomTemplateBtn.on('change', chooseTemplate);