Issues::CreateService overwrites values from build service

This service https://gitlab.com/gitlab-org/gitlab/-/blob/a3c508558929018177c602032dea624dba9980e4/app/services/issuable_base_service.rb#L227 assigns attributes to an issuable before it is created. This action overwrites any attributes that might have been assigned to the issue when calling the build service in https://gitlab.com/gitlab-org/gitlab/-/blob/a3c508558929018177c602032dea624dba9980e4/app/services/issues/create_service.rb#L23