ACP2E-1239: Shifting of the PDP main image

 - Fixed the issue.

Author: devarul

lib/web/mage/gallery/gallery.js

@@ -132,7 +132,7 @@ define([
                 data: _.clone(config.data)
             };
             config.options.ratio = config.options.width / config.options.height;
-            config.options.height = null;
+            config.options.height = $(element).height();
 
             $.extend(true, this.startConfig, config);