Merge pull request #13910 from pemaier/pemaier-patch-8-4

Update filter.php - autocomplete limit config centralized, similar to…

upload/admin/controller/catalog/filter.php

@@ -349,7 +349,7 @@ public function autocomplete(): void {
 			$filter_data = [
 				'filter_name' => $this->request->get['filter_name'] . '%',
 				'start'       => 0,
-				'limit'       => 5
+				'limit'       => $this->config->get('config_autocomplete_limit')
 			];
 
 			$this->load->model('catalog/filter');