Merge branch 'develop'

Controller/ControllerTrait.php

         return $this->get(AdminUrlGenerator::class);
     }
 
+    public function getUrlGenerator(): UrlGeneratorInterface
+    {
+        return $this->get(UrlGeneratorInterface::class);
+    }
+
     public function getKernel(): KernelInterface
     {
         return $this->get(KernelInterface::class);

Repository/User/UserRepositoryQuery.php

                 ->setParameter('email', $email);
     }
 
+    public function filterByTerm(string $term): self
+    {
+        return $this
+            ->andWhere('.email LIKE :term OR .firstname LIKE :term OR .lastname LIKE :term')
+            ->setParameter('term', '%'.$term.'%');
+    }
+
 }

Repository/User/UserStore.php

         return $query->findOne();
     }
 
+    public function getByTerm(string $term, $query = null)
+    {
+        $query = $this->createQuery($query);
+        $query->filterByTerm($term);
+        return $query->find();
+    }
 }

Resources/assets/functions/widgets.js

                 minimumResultsForSearch: 8
             };
 
+            if ($select.data('ajax')) {
+                options.ajax = $select.data('ajax');
+                options.minimumInputLength = 3;
+            }
+
             if ($select.data('allow-clear') == 'false') {
                 options.allowClear = false;
             }