HHH-16888 Return correlated root in findRoot() for entity joins

Author: mbladel

hibernate-core/src/main/java/org/hibernate/query/sqm/tree/domain/SqmCorrelatedEntityJoin.java

@@ -68,6 +68,11 @@ public SqmCorrelatedEntityJoin<T> copy(SqmCopyContext context) {
 		return path;
 	}
 
+	@Override
+	public SqmRoot<?> findRoot() {
+		return getCorrelatedRoot();
+	}
+
 	@Override
 	public <X> X accept(SemanticQueryWalker<X> walker) {
 		return walker.visitCorrelatedEntityJoin(this);