appsdk-bump-app-catalog 664 bumping sdk to 2281-6f9eb77

sdk commit: RallySoftware/appsdk@6f9eb7701eed757c8d4ee5672ee4c832465cfcfb
author: Erika Brice and Ashly Simmons
message: DE21048: Keyboard nav on tree grid save is wiping the row green twice.