Behaviors packs/addons deleted after BDS update

I do not know if this is an issue with the docker image or BDS itself, but after restarting my container to update the BDS version, all of my (non-vanilla) behavior packs in the `behavior_packs` folder inside the data volume were deleted. The resources packs remained installed, and everything inside `world_behavior_packs.json` was also intact.

I was able to manually reinstall all of my addons but that unfortunately resulted in the loss of some items in both player inventories and tile entities.

Admittedly, I was not on the latest version of the image but now am. If this was something that was recently fixed, feel free to close the issue,

Start by reproducing a container restart while updating the BDS version, then inspect the data volume's behavior_packs folder and world_behavior_packs.json. Compare the Docker image and BDS behavior to determine why non-vanilla behavior packs are deleted while resource packs remain; done means identifying the cause and preserving installed packs across updates.

Written by the indexing model from the issue text.