Fix double encoded urls

Sometimes Telegram for iOS mistakenly double convert url if it contains unicode letters (issue overtake/TelegramSwift/issues/1215)

Valid:
https://example.com/?crudAction=detail&crudControllerFqcn=App%5CController%5CDocCrudController&entityId=2500426&page=1&query=гаврилов

Broken (until this fix):
https://example.com/?crudAction=detail&crudControllerFqcn=App%255CController%255CDocCrudController&entityId=2500426&page=1&query=гаврилов

Author: ksn135

src/Factory/ControllerFactory.php

@@ -50,6 +50,7 @@ private function getController(string $controllerInterface, ?string $controllerF
             return null;
         }
 
+        $controllerFqcn = str_replace('%5C', '\\', $controllerFqcn);
         $newRequest = $request->duplicate(null, null, ['_controller' => [$controllerFqcn, $controllerAction]]);
         try {
             $controllerCallable = $this->controllerResolver->getController($newRequest);