Resolution: Won't fix
Steps to reproduce:
- Create a new template (you can use the attached test template)
- Navigate to Discovery -> Item prototypes
- Select all prototypes and press Mass update
- Navigate to preprocessing tab in the modal window
- Check Original box and press add
- Try to add one more new step for preprocessing
Existing preprocessing steps would be overwritten with newly added.
Additional steps would be created
Probably there was a plan to create the same behavior like it's done for other tabs of the same modal window where you're able to select Add/Replace/Delete but unfortunately this functionality is missing.