Fix unposted bug: drag feedback didn't check whitelist
Fix unposted bug: drag feedback didn't check whitelist

http://codereview.lindenlab.com/274039/show

gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm