Fix the code indent of object operators (#5258)

This commit fixes the code indent of object operators, as following the framework code standards -> 2.4. Indenting

app/Providers/RouteServiceProvider.php

@@ -59,8 +59,8 @@ class RouteServiceProvider extends ServiceProvider
     protected function mapWebRoutes()
     {
         Route::middleware('web')
-             ->namespace($this->namespace)
-             ->group(base_path('routes/web.php'));
+            ->namespace($this->namespace)
+            ->group(base_path('routes/web.php'));
     }
 
     /**
@@ -73,8 +73,8 @@ class RouteServiceProvider extends ServiceProvider
     protected function mapApiRoutes()
     {
         Route::prefix('api')
-             ->middleware('api')
-             ->namespace($this->namespace)
-             ->group(base_path('routes/api.php'));
+            ->middleware('api')
+            ->namespace($this->namespace)
+            ->group(base_path('routes/api.php'));
     }
 }