Merge branch 'AthenaIO_PollDbWrite_Error' into 'master'

Fail on ROOT write Error.

See merge request !55979

(cherry picked from commit 866d0cf8)

cea24da5 Fail on ROOT write Error.
4bcdd035 Merge remote-tracking branch 'upstream/master' into AthenaIO_PollDbWrite_Error
4faf947f Propagate ERROR when disconnecting Database
b2182374 Merge remote-tracking branch 'upstream/master' into AthenaIO_PollDbWrite_Error
5d420ba7 Check for open database, not existing...
a22b58ed Merge remote-tracking branch 'upstream/master' into AthenaIO_PollDbWrite_Error
24d59f83 Raising ROOT write error all the way to Gaudi, which still swallows it :(