[imaging_uploader] Test plan item 19 fails: server processes manager entry doesn't update with error

[zaliqarosli]

Describe the bug
server processes manager entry doesn't update with error and imaging upload table entry hangs at 'In Progress'

To Reproduce
Steps to reproduce the behavior (attach screenshots if applicable):

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

What did you expect to happen?
A clear and concise description of what you expected to happen.

Browser Environment (please complete the following information):

• OS: [e.g. Plan9, HURD, Oberon, etc]
• Browser [e.g. chrome, firefox] (note that only these two browsers are supported)
• Version [e.g. 22]

Server Environment (if known):
Note: We only support the most recent release of LORIS.

• LORIS Version: [e.g. 22.0.0]
• Linux distribution and Version: [e.g. Ubuntu 16.04, CentOS 7]
• MySQL/MariaDB Version: [e.g. MySQL 5.7, MariaDB 10.3]

Additional context
Add any other context about the problem here.

[CamilleBeau]

This is still an issue for 26 testing