Fix early script enqueue for media upload that causes set featured image not to upload image.

git-svn-id: https://plugins.svn.wordpress.org/wp-widget-gallery/trunk@812773 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fix early script enqueue for media upload that causes set featured image not to upload image.

git-svn-id: https://plugins.svn.wordpress.org/wp-widget-gallery/trunk@812774 b8457f37-d9ea-0310-8a92-e5e31aec5664