Adjust default parameter to main call in Image::class

src/Modifiers/CropModifier.php

@@ -17,7 +17,7 @@ public function __construct(
         public int $height,
         public int $offset_x = 0,
         public int $offset_y = 0,
-        public mixed $background = 'f00',
+        public mixed $background = 'ffffff',
         public string $position = 'top-left'
     ) {
     }