unify redirect after login logic

public/index.php

@@ -29,7 +29,7 @@ if ($match !== null) {
     }
 
     if (!$authorized) {
-        Container::$request->session()->set('redirect_after_login', $url);
+        Container::$request->session()->set('redirect_after_login', '/' . $url);
         $response = new Redirect(Container::$routeCollection->getRoute('login')->generateLink(), IRedirect::TEMPORARY);
         header('Location: ' . $response->getUrl(), true, $response->getHttpCode());
         return;