448063: DataModelAttributeOp$Between displays wrong texts 

Change-Id: I9ee125b259c2abf7e37f607a153a7f8e8dacf0ba
Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=448063
Signed-off-by: Samuel Renold <sre@bsiag.com>
Reviewed-on: https://git.eclipse.org/r/35308
Tested-by: Hudson CI
Reviewed-by: Judith Gull <jgu@bsiag.com>