I spent some time looking into this, and it seems like they did add this feature!
I recommend that you join their Discord server if you have questions or issues. There is also a search function, here is what I found by searching for “on map” in their server:
And the answer:
If this does not work, please reach out to iniBuilds, not Navigraph. We did not build this feature.
Kind Regards,
Malte