Fix bug: Target data is corrupt, when the transfer is interrupted by system shutdown of source host

[michaelmell]

Description:

There exists a but in AutoTx, where the target data is corrupted, when the transfer is interrupted by system shutdown/reboot of source host.

How to reproduce this bug:

• transfer running of user roigme0000, user roigme0000 logs out
• User thomen0000 logs in
• computer gets rebooted by user thomen0000, transfer stops (60% done)
• When the computer is back, transfer does not continue but is instead considered Done
  -> data appears on roigme0000s VAMP, but is corrupted.
  -> logs: mesoSPIM AutoTx from Wednesday 22.10.2025, ~14h30
• Grafana link to the timeframe