I guess we could consider dropping the separate class loader for extensions. @trask wdyt?

if we can solve with #7150 that sounds ideal 👍

There is the same issue with

An alternative would be to use context class loader. Currently we don't set the context loader in the agent, but we used to. Can't recall why we had to stop setting it.

Originally posted by @laurit in #7164 (reply in thread)