[Bug]: occ files:scan can't be cancelled

[mio-19]

⚠️ This issue respects the following points: ⚠️

• This is a bug, not a question or a configuration/webserver/proxy issue.
• This issue is not already reported on Github OR Nextcloud Community Forum (I've searched it).
• Nextcloud Server is up to date. See Maintenance and Release Schedule for supported versions.
• I agree to follow Nextcloud's Code of Conduct.

Bug description

ooc files:scan can't be cancelled

Steps to reproduce

1. docker exec --user www-data -it nextcloud-aio-nextcloud php occ files:scan --all
2. press Ctrl+C

^CError during scan: Invalid callback OCA\Files\Command\Scan::cancelOperation, cannot access protected method OCA\Files\Command\Scan::cancelOperation()
^CError during scan: Invalid callback OCA\Files\Command\Scan::cancelOperation, cannot access protected method OCA\Files\Command\Scan::cancelOperation()
^CError during scan: Invalid callback OCA\Files\Command\Scan::cancelOperation, cannot access protected method OCA\Files\Command\Scan::cancelOperation()
^C^CError during scan: Invalid callback OCA\Files\Command\Scan::cancelOperation, cannot access protected method OCA\Files\Command\Scan::cancelOperation()
^CError during scan: Invalid callback OCA\Files\Command\Scan::cancelOperation, cannot access protected method OCA\Files\Command\Scan::cancelOperation()
^CError during scan: Invalid callback OCA\Files\Command\Scan::cancelOperation, cannot access protected method OCA\Files\Command\Scan::cancelOperation()
^C^C^CError during scan: Invalid callback OCA\Files\Command\Scan::cancelOperation, cannot access protected method OCA\Files\Command\Scan::cancelOperation()
^CError during scan: Invalid callback OCA\Files\Command\Scan::cancelOperation, cannot access protected method OCA\Files\Command\Scan::cancelOperation()
^CError during scan: Invalid callback OCA\Files\Command\Scan::cancelOperation, cannot access protected method OCA\Files\Command\Scan::cancelOperation()
^CError during scan: Invalid callback OCA\Files\Command\Scan::cancelOperation, cannot access protected method OCA\Files\Command\Scan::cancelOperation()
^C^C^C^C^CError during scan: Invalid callback OCA\Files\Command\Scan::cancelOperation, cannot access protected method OCA\Files\Command\Scan::cancelOperation()

Expected behavior

It can be cancelled so that I can run the command in a screen instead of unstable bare ssh.

Installation method

Official All-in-One appliance

Nextcloud Server version

27

Operating system

None

PHP engine version

None

Web server

None

Database engine version

None

Is this bug present after an update or on a fresh install?

None

Are you using the Nextcloud Server Encryption module?

None

What user-backends are you using?

• Default user-backend (database)
• LDAP/ Active Directory
• SSO - SAML
• Other

Configuration report

No response

List of activated Apps

No response

Nextcloud Signing status

No response

Nextcloud Logs

No response

Additional info

No response

[solracsf]

@kesselb maybe backport #40067?

[kesselb]

I have no opinion about it.

Because of its low impact, I didn't backport it back then.