Codium is fine and technically FOSS although it’s association with Microsoft taints it for anyone who still hates MS from the bad old days.
“New” Microsoft isn’t really any better, and although Codium itself is perfectly fine (Electron notwithstanding) many of Microsoft’s extensions only work with/are only licensed for the official VSCode build and include proprietary parts.
The situation has been resolved.
https://github.com/orgs/organicmaps/discussions/9837#discussioncomment-11568667