simplify passing arguments to when() (#53815)

the `when()` method accepts 3 parameters. we can just pass 3 arguments rather than putting them into an array, and then spreading them.

Author: browner12

src/Illuminate/Http/Resources/ConditionallyLoadsAttributes.php

@@ -416,7 +416,8 @@ protected function whenPivotLoadedAs($accessor, $table, $value, $default = null)
 
         return $this->when(
             $this->hasPivotLoadedAs($accessor, $table),
-            ...[$value, $default]
+            $value,
+            $default,
         );
     }