appsdk-bump-app-catalog 373 bumping sdk to 1766-409ed26

sdk commit: RallySoftware/appsdk@3aa7bff5e34191b099cc42d1f73537545d7027f1
author: Matt Greer
message: menu item separators were invisible, fixed css

sdk commit: RallySoftware/appsdk@409ed26c18fef38d383cf85aa331919ca0cb1d5b
author: Robb Lee and Richard Green
message: S63247: Added postGet request to Portfolio Item Hierarchy App