Fix Issue #1527, weird display artifacts when reordering custom query results, in two different ways:  - Preserve the existing scroll rectangle if reloading the view  - Update the scroll rect on the main thread when not reloading the view
Fix Issue #1527, weird display artifacts when reordering custom query results, in two different ways:
 - Preserve the existing scroll rectangle if reloading the view
 - Update the scroll rect on the main thread when not reloading the view


git-svn-id: 6eeea455dc0e2ce42bed66071b2ee3651efe9ff5@3979 eefc5464-0a4a-0410-82e6-d75a05d1654a

havocbane/sequel-pro,havocbane/sequel-pro,havocbane/sequel-pro,havocbane/sequel-pro