Directly access post_status instead of using get_post_status() when checking...

Directly access post_status instead of using get_post_status() when checking for auto-draft status. Attachments with their inherit post_status were getting the auto-draft status of their parent when using get_post_status(). This caused some things to display improperly on the edit attachment page.

Props nacin, miqrogroove
fixes #22672


git-svn-id: https://core.svn.wordpress.org/trunk@22963 1a063a9b-81f0-0310-95a4-ce76da25c4cd