Celery export_data tasks do not return when aborted

[giancarloromeo]

Current Behavior

Celery export_data tasks do not return when aborted.

Expected Behavior

Task should finish instead of running until the end.

Steps To Reproduce

Setup

• Set WEBSERVER_DEV_FEATURES_ENABLED=1 and then run the stack locally (make up-prod)
• Click on a Study an go to the Study files...
• Click on multiselect and select at least 2 files you will see the download window (if you are running your stack in the office you will not be able to download the file, but if you look at the logs of sto-worker-cpu-bound you will see something like master-simcore_sto-worker-cpu-bound.1.dr6tba9imge3@neagu-wkst | [2025-04-10 08:52:57,051: INFO/MainProcess] Task export_data[osparc:1:01889f5b-6bc1-4cf1-91e1-6d4aec89e71e] succeeded in 0.15236935392022133s: 'exports/1/afad1bcb-45ff-49be-8bc7-352e535e98a6.zip')

Error part

• Create some files files a folder that are at least 1 GB
• Try to multiselect that folder and download it
• After a second click cancel in the UI you will notice that it stays there stuck with no further progress