Export now preserves non-UI fields from the loaded source template (overlay semantics) instead of writing only the UI-known keys. Part of [Milestone 1](https://github.com/users/HugoFara/projects/4). Shipped in #3.
Export now preserves non-UI fields from the loaded source template (overlay semantics) instead of writing only the UI-known keys.
Part of Milestone 1.
Shipped in #3.