If it helps, this problem exists in 2020 also.
Root cause: Default aircraft cameras have definitions for Custom Cameras when they shouldn’t. So when you goto Camera 1, the sim will cycle through Camera 1 improperly set by the default cameras.cfg and the custom one set by the user. Basically, there’s 2 settings for “Custom Camera 1” and so on. The problem in 2024 is that with aircraft’s being streamed, we cannot edit out those default custom cameras.
Solution: Aircraft creators need to remove all custom camera definitions from their cameras.cfg file.