An error in the director-v2 is sent as is to the frontend with the full traceback

[sanderegg]

Is there an existing issue for this?

• I have searched the existing issues

Which deploy/s?

No response

Current Behavior

simulate an error in the dv-2
call it from the frontend via the webserver.
see the output as in #7722

Expected Behavior

there should be a clear error message without giving away every internal stuff...

Steps To Reproduce

1. raise an error in one of the apis of the dv-2 such as /computations POST

Anything else?

this is a regression due to:
#7520