Yangman - Validation messages in pop-ups do not work properly

BUGGY BEH: When odl-groupbasepolicy-ui feature is installed in karaf together with odl-dluxapps-applications, validation messages in Parameters pop-up and Save to collection pop-up and History and Collections requests settings do not work properly.
1. History requests settings and Collections requests settings - buffer size input field validation message does not hide when proper data are input.
2. Parameters pop-up - Required value and Duplicate value do not hide when proper data are input.
3. Save to collections pop-up - Collection name is required message do not hide when proper data are input.