HHH-8699 - Multiselect with boolean predicate

Conflicts:
	hibernate-core/src/main/antlr/hql-sql.g
	hibernate-core/src/main/antlr/sql-gen.g
	hibernate-entitymanager/src/test/java/org/hibernate/jpa/test/criteria/QueryBuilderTest.java
	hibernate-entitymanager/src/test/java/org/hibernate/jpa/test/metamodel/Customer.java