appsdk-bump-app-catalog 579 bumping sdk to 2146-de0804a

sdk commit: RallySoftware/appsdk@2ff10fa7745c0c1b0a564bd2c2a68ded3813ef2b
author: Brandon Fryslie and Robert Everett
message: S61846: text alignment of column headers: fix ColumnBuilder to work with composite model

sdk commit: RallySoftware/appsdk@025c06851aeaec68a4ef3b2ffdb382c1ac0748f4
author: Dave Thompson and Ben Ridge
message: S63538: deprecated Rally.ui.cardboard.Column.cardLimit.

sdk commit: RallySoftware/appsdk@69c3f06da87cff92c58263fad9e2160870107013
author: Wade Peterson and Richard Green
message: DE20871 - Column WIP counts are wrong after filtering a cardboard

sdk commit: RallySoftware/appsdk@de0804af38cd388751e6935ec1f48fa16ca50506
author: Brandon Fryslie and Robert Everett
message: Revert "S61846: text alignment of column headers: fix ColumnBuilder to work with composite model"