message: fix: discriminator and oneOf title fix
diff: @@ -223,7 +223,7 @@ export class SchemaModel {
  if (variant.$ref === undefined) {
  continue;
  }
  - const name = JsonPointer.dirName(variant.$ref);
  + const name = JsonPointer.baseName(variant.$ref);
  derived[variant.$ref] = name;
  }
  }
  