Allow the option of creating new configs

Problem/Motivation

I understand the reason why the changes in #2903629: Stop creating config during rewrites of optional or non existing config → were made, but in our use case we are only dealing with complete config files coming from an install profile. We want the option of doing a "factory reset". We'd like to have the option to add the uuid to those configs and create them instead of exiting at https://git.drupalcode.org/project/config_rewrite/-/blob/8.x-1.x/src/Con....