Refactoring for #570 did not make a call to addUse
Fixes #571 : Unable to run legacy tests
Resolve #573 by returning OfferItemRestrictionRuleType.NONE if the value is unseal.
Merge remote-tracking branch 'origin/BroadleafCommerce-3.0.x' into develop

Conflicts:
	core/broadleaf-framework/src/main/java/org/broadleafcommerce/core/offer/service/processor/ItemOfferProcessorImpl.java