message: fix: allOf inside oneOf overwritten and not rendered
  fixes
diff: @@ -161,9 +161,10 @@ export class SchemaModel {
  (variant, idx) =>
  new SchemaModel(
  parser,
  - {
  // merge base schema into each of oneOf's subschemas
  - ...variant,
  + {
  + // variant may already have allOf so merge it to not get overwritten
  + ...parser.mergeAllOf(variant, this.pointer + '/oneOf/' + idx),
  allOf: [{ ...this.schema, oneOf: undefined, anyOf: undefined }],
  } as OpenAPISchema,
  this.pointer + '/oneOf/' + idx,
  