BZ-1044973 - Guided rule editor does not let the user to set objects as a parameters for method calls that have objects super type as a parameter

(cherry picked from commit 02ffd6ae37a11cb0acc920bada87c994559d396b)

Conflicts:
	drools-workbench-models/drools-workbench-models-commons/src/test/java/org/drools/workbench/models/commons/backend/rule/RuleModelDRLPersistenceUnmarshallingTest.java