Allow "Save As..." for projects in a production.
When working in a "Production", using "Save As..." to create a new version of the project causes the following event:
"Duplicate IDs. This production contains projects with duplicate IDs, which will interfere with tracking media across projects. Please remove these duplicated projects..." etc.
Why doesn't the new version of the project have it's own unique ID?
To avoid this issue, you must save the new version outside of the production folder, and then add it back into the production using "Add Project To Production...", so that the copy that is created has it's own unique ID. This is an overly complicated workflow.
Please allow "Save As..." or "Save a Copy..." to create a unique ID for the new versions so they can be saved directly into production folders.

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"Make a Copy" was added for just that purpose.