appsdk-bump-app-catalog 303 bumping sdk to 1543-e9526fa

sdk commit: RallySoftware/appsdk@ba6700105d7a6f66b407d9ac76b1c93c82ffc567
author: Matt Parrish
message: S61787: Prevent unnecessary Preference requests from GridBoard and GridBoardFilter button

sdk commit: RallySoftware/appsdk@638d4e752fb7dca8df9e47e69d6cc33b8bf8e125
author: Brandon Fryslie and Alan Brockett
message: DE19621: I triple slash your double slash

sdk commit: RallySoftware/appsdk@ddf52485b53a7b097e4c49ce61acec73f0da7d61
author: Kyle Morse
message: DE19986: Fix solr artifact chooser dialog keynav weirdness

sdk commit: RallySoftware/appsdk@a66bee62e7b4d89df398251fc83e79b1a04b410a
author: Dave Thompson and Eli Soman
message: S60456: Change query for owner filter when collection.owner = null.

sdk commit: RallySoftware/appsdk@53326d26ad97ca06b51cee5700ecfb057d305c14
author: David Wire and Ben Ridge
message: DE19984: fixing clearing of type characters in Tag Filter

sdk commit: RallySoftware/appsdk@8edd7869916a579ab98780e3d799a4dd2512abdc
author: Nicholas Boll and Richard Green
message: DE20035 - GridBoardFieldPicker state only saved in board mode

sdk commit: RallySoftware/appsdk@e9526faa0d9db262cf5280b918077ed9fef9430a
author: Kyle Morse and Erika Brice
message: S57902: Ensure blank slate does not show when reparenting nodes