appsdk-bump-app-catalog 741 bumping sdk to 2415-2d6cc67

sdk commit: RallySoftware/appsdk@7c289c1f9a436b6082e802a231981ecdf1046e92
author: Stefan Kendall
message: S62995 Task workproduct chooser now filters out parent stories and defects

sdk commit: RallySoftware/appsdk@cb972d7cde1256c83a21420753f139fd507c1099
author: Stefan Kendall
message: DE12324 Fixed 'Cannot read property id of undefined' error in prod

sdk commit: RallySoftware/appsdk@537516a4d2845e295aec6030cb07d56ea0116c05
author: Brandon Fryslie and Robert Everett
message: Fixing flaky GridBoardFieldPicker spec involving a tooltip in FF

sdk commit: RallySoftware/appsdk@92ae8fbce4d536b3d394749437697814c388bdab
author: Wade Peterson and Garston Tremblay
message: S68152: Remove infinite scroll toggle

sdk commit: RallySoftware/appsdk@29bc0e9f6683bff137dc6b069d0ec3761437a61d
author: Wade Peterson and Garston Tremblay
message: Removing deprecated Column.cardLimit cfg

sdk commit: RallySoftware/appsdk@2d6cc677373f072746ae4cb7af80dbf01d799439
author: Brandon Fryslie and Robert Everett
message: Revert "Fixing flaky GridBoardFieldPicker spec involving a tooltip in FF" - Didn't fix the problem