appsdk-bump-app-catalog 807 bumping sdk to 2519-1b1af18

sdk commit: RallySoftware/appsdk@d0bdaa3058fc3503d3e5ec189a1ca6d78f53ecfe
author: Ashly Simmons
message: S68966 Validation messaging in the filtering popover

sdk commit: RallySoftware/appsdk@1b1af18b30ad8be25b8680a52f3e2678e89cd517
author: Ashly Simmons
message: S68424 Update min width of Name column on the list view to 120px