DmitryGlushkov

Allow override CodegenConfigurator in GenerateTask

2

Issue [#13139](https://github.com/OpenAPITools/openapi-generator/issues/13139) ### PR checklist - [x] Read the [contribution guidelines](https://github.com/openapitools/openapi-generator/blob/master/CONTRIBUTING.md). - [x] Pull Request title clearly describes the work in the pull request and Pull Request description provides details...

### Is your feature request related to a problem? Please describe. In `openapi-generator-gradle-plugin`: There is no way to override/ extend CodegenConfigurator in GenerateTask. It is useful to have when you...

# Problem An 'errorMapper' provided via client configuration (ReactiveFeignBasicConfigurator) is ignored when it creates a client (WebReactiveHttpClient). # Fix To check if 'errorMapper' is defined. If not, it usesthe default...