refactor: check if project has already been recursed when importing to org

[shreddedbacon]

General Checklist

• Affected Issues have been mentioned in the Closing issues section
• Documentation has been written/updated
• PR title is ready for inclusion in changelog

Database Migrations

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Just quick check before performing the project recursion to see if the project has already been done.

This results in the same that #3716 was meant to fix, and the associated gist is still valid and the result is the same for a deep group association

[bomoko]

looks good!