HHH-14351 Fix order by type discriminator rendering issue

Author: beikov

hibernate-core/src/main/antlr/sql-gen.g

@@ -199,7 +199,7 @@ orderExprs { String ordExp = null; String ordDir = null; String ordNul = null; }
 	    (dir:orderDirection { ordDir = #dir.getText(); })? (ordNul=nullOrdering)?
 	    // SQL Tokens can be passed through as-is.
 	    // These tokens could be mapping defined order by fragments which are already rendered via the dialect hook
-	        { out( #e.getType() == SQL_TOKEN ? ordExp : renderOrderByElement( ordExp, ordDir, ordNul ) ); }
+	        { out( #e.getType() == SQL_TOKEN && ordDir == null && ordNul == null ? ordExp : renderOrderByElement( ordExp, ordDir, ordNul ) ); }
 	    ( {out(", "); } orderExprs )?
 	;