add support for multiword models to authorize resource controllers (#…

…19821)

src/Illuminate/Foundation/Auth/Access/AuthorizesRequests.php

@@ -81,7 +81,7 @@ protected function normalizeGuessedAbilityName($ability)
      */
     public function authorizeResource($model, $parameter = null, array $options = [], $request = null)
     {
-        $parameter = $parameter ?: lcfirst(class_basename($model));
+        $parameter = $parameter ?: snake_case(lcfirst(class_basename($model)));
 
         $middleware = [];