[cleanup] Use Comparator.comparing Done with the JDT UI cleanup action. Change-Id: I76fd57a8edd342753e683f90bddbca376d543c52 Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com> Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.debug/+/183558 Tested-by: Platform Bot <platform-bot@eclipse.org>