Merge branches 'feature/20210816_买M赠N券_wuping' and 'master' of http://gitlab.freemud.com/order-group-application/order-group

# Conflicts:
#	shopping-cart-application-service/src/main/java/cn/freemud/service/impl/ShoppingCartNewServiceImpl.java
#	shopping-cart-application-service/src/main/java/cn/freemud/service/impl/calculate/CalculationSharingDiscountService.java