## Context
In some CustomException exceptions, we were instantiating a code without
initializing it which was overriding the parent code and it was then
lost when retrieving it in filters.
Removing them to make sure we don't reproduce this pattern
This PR introduces the following changes:
- add the metadataVersion to all our metadata cache keys to ease
troubleshooting:
<img width="1146" alt="image"
src="https://github.com/user-attachments/assets/8427805b-e07f-465e-9e69-1403652c8b12">
- introduce a cache recompute lock to avoid overloading the database to
recompute the cache many time
