cleaner handling of cropZoom

Signed-off-by: Andy Miller <rhuk@mac.com>

system/src/Grav/Common/Page/Medium/ImageMedium.php

@@ -516,6 +516,15 @@ class ImageMedium extends Medium
         return $this;
     }
 
+    /**
+     * Handle this commonly used variant
+     */
+    public function cropZoom()
+    {
+        $this->__call('zoomCrop', func_get_args());
+        return $this;
+    }
+
     /**
      * Forward the call to the image processing method.
      *
@@ -525,10 +534,6 @@ class ImageMedium extends Medium
      */
     public function __call($method, $args)
     {
-        if ($method === 'cropZoom') {
-            $method = 'zoomCrop';
-        }
-
         if (!\in_array($method, self::$magic_actions, true)) {
             return parent::__call($method, $args);
         }