fix paginator url in api docs

src/backend/src/Sanitize/Paginates.php

@@ -30,7 +30,7 @@ trait Paginates
             count($items),
             $defaultPerPage,
             $currentPage,
-            ['path' => $request->url()]
+            ['path' => config('app.url')],
         );
 
         $paginator->appends($appends);