appsdk-bump-app-catalog 394 bumping sdk to 1803-d373239

sdk commit: RallySoftware/appsdk@706b883724439c48f7bad57ae9315632089bebfb
author: Stefan Kendall
message: S63391: Sort FieldBucket fields by their attribute def's _refObjectName if possible.

sdk commit: RallySoftware/appsdk@d373239fef0ecd875e2d7f0893a47eeb07612364
author: Stefan Kendall
message: DE19416 Fixed EDP menus showing invalid options, and 404ing when clicked.