Merge branch 'ui-582-wrong-counting-of-not-specify-datasets' into 'master'

Fixed generation of NULL/NOTNULL paths for collection paths

See merge request genesys-pgr/application-blocks!64

core/src/main/java/org/genesys/blocks/model/filters/BasicModelFilter.java

@@ -200,6 +200,8 @@ public abstract class BasicModelFilter<T extends BasicModelFilter<T, R>, R exten
 				final Field prop = clazz.getField(nullProp);
 				if (SimpleExpression.class.isAssignableFrom(prop.getType())) {
 					return (SimpleExpression<?>) prop.get(instance);
+				} if (CollectionPathBase.class.isAssignableFrom(prop.getType())) {
+					return(CollectionPathBase<?, ?, ?>) prop.get(instance);
 				} else {
 					throw new NoSuchFieldException("Property " + nullProp + " is not a SimpleExpression");
 				}