Slides: Copying slides into original template creates duplicate template

Some quick context: I recently created a basic Figma slides template. After using the template & theme to create an actual presentation, I identified some new slides that I would like to include into the original template.

When copy pasting the slides that used the template into the original template file, it created a duplicate template with the same name for the slides that were pasted in, even though they used the original theme of the template.

The main issue I have here is that when swapping the template to the original, it randomly shuffles the colors. So I have to adjust the entire slide.

I feel like updating templates over time based on real usage is pretty common, and the current behavior makes it rather awkward.

Thanks!