Hello it is very strange with your iniManager. That is not the first time, I got into trouble with installed sceneries:
Sometimes, the installation is still not recognized, although the add-on was deleted and install again.
This morning, six updates performed, but still none of the add-ons are recognized as installed.
Nevertheless, many thanks for assistance, but the two suggestions were not successfully to resolve my issue.
To your question: I am aware of the problems with linked add-ons, therefore I am using two specific folders for the add-ons from iniBuilds (one for MSFS2020 and one for MSFS2024). With some expections (see 1.) that functions properly until the last update of the iniManager. This update caused the strange behavior described in my post before.
I will execute a complete new installation (the second one). However, based on my experience over the last few years, I can say that your iniManager does not work perfectly. Sometimes it is unreliable.
Regards