Display column title name in crudlist

front/app/src/common/crud/jsonschemas.service.ts

@@ -181,7 +181,7 @@ export class JsonschemasService {
         } else if (this.is_union(resource)) {
             for (const ref of resource.oneOf!) {
                 // @ts-ignore
-                if (this.has_property(ref, property_name)) {
+                if (this.has_descendant(ref, property_name)) {
                     // @ts-ignore
                     return this.get_descendant(ref, property_name);
                 }