Correctly apply transaction on the end of veiled resize.

Fixes a bug where a resize would not apply on the task surface on the
end of drag.

Bug: 274773589
Test: Manual, confirm drag end correctly resizes task.
Test: atest WMShellUnitTests:VeiledResizeTaskPositionerTest
Change-Id: Idf2ebc09f551f6a8de6419c8dc0f146311364deb