* [ ] Remove the `project_custom_field_mapping` and use a ::Type::AttributeGroups kind of approach for defining attribute sections.
Both logic are similar and there is no reason to have a second approach as the `project_custom_field_mapping`.
* [ ] Begin of the insertionSimplify andEnd of the insertion Begin of the deletion Together with this change, we can alsoEnd of the deletion get rid off the acts as customizable patch for the projects