Rating widget : make it scrollable

[celprov]

What happened?

For now, it is not possible to scroll in the rating widget, so when the Overall quality rating section is open, the end of the artifacts list is out of sight.

What command did you use?

Rating widget in MRIQC

What version of the software are you running?

23.2.0

How are you running this software?

Local installation ("bare-metal")

Is your data BIDS valid?

Yes

Are you reusing any previously computed results?

No

Please copy and paste any relevant log output.

No response

Additional information / screenshots

No response