fix a bug in generation of @Find method for @NaturalId fields

StatelessSession does not have a byNaturalId() method

tooling/metamodel-generator/src/main/java/org/hibernate/processor/annotation/AnnotationMetaEntity.java

@@ -1921,6 +1921,7 @@ public class AnnotationMetaEntity extends AnnotationMeta {
 					);
 					break;
 				case NATURAL_ID:
+					if ( !usingStatelessSession( sessionType[0] ) ) {// no byNaturalId() lookup API for SS
 						putMember( methodKey,
 								new NaturalIdFinderMethod(
 										this, method,
@@ -1940,6 +1941,8 @@ public class AnnotationMetaEntity extends AnnotationMeta {
 								)
 						);
 						break;
+					}
+					// else intentionally fall through
 				case BASIC:
 				case MULTIVALUED:
 					final List<Boolean> paramPatterns = parameterPatterns( method );