Fix the missing close icon in ULS

Regression after the patch I39005ef2425c01b8623bf9df6d75c1e27f1c5bda
and I4a2542b3b745b8b749845a7e8dbb926dd5c4f0e4
Missed to rename the class in MW ULS.

Change-Id: If44d225a2e859dafa544b4a99ee554cecbfd8aca