#5286 Files renamed in Mac Inspector are not re-sorted

git-svn-id: svn://svn.transmissionbt.com/Transmission/trunk@14016 f4695dd4-2c0a-0410-b89c-da849a56a58e
perform the rename callback in the main thread

git-svn-id: svn://svn.transmissionbt.com/Transmission/trunk@14017 f4695dd4-2c0a-0410-b89c-da849a56a58e