Parameter expansion in Swagger building applied only to query/form ref properties fix #1126 (#1146)

Author: haggish

modules/jooby-apitool/src/main/java/org/jooby/internal/apitool/SwaggerBuilder.java

@@ -412,7 +412,7 @@ public Swagger build(Swagger base, final List<RouteMethod> routes) throws Except
         } else if (it.kind() == RouteParameter.Kind.FORM) {
           op.setConsumes(ImmutableList.of(MediaType.form.name(), MediaType.multipart.name()));
         }
-        if (property instanceof RefProperty && it.kind() == RouteParameter.Kind.QUERY || it.kind() == RouteParameter.Kind.FORM) {
+        if (property instanceof RefProperty && (it.kind() == RouteParameter.Kind.QUERY || it.kind() == RouteParameter.Kind.FORM)) {
           return expandParameter(converter, it, it.type(), it.optional())
               .stream();
         } else {