BZ-1169623 - Updates to data modeler ui

(cherry picked from commit 8c53784a3e28fff22ea1fcdd750a52edf816873b)

Conflicts:
	kie-wb-common-screens/kie-wb-common-data-modeller/kie-wb-common-data-modeller-client/src/main/java/org/kie/workbench/common/screens/datamodeller/client/widgets/DataObjectFieldEditor.java