[Bug]: Lock icon color with Dark theme

[Mika-6-9]

⚠️ Before submitting, please verify the following: ⚠️

• [X] This is a bug, not a question or a configuration issue.
• [X] This issue is not already reported on Github (I've searched it).
• [ ] Nextcloud Server and Desktop Client are up to date. See Server Maintenance and Release Schedule and Desktop Releases for supported versions.
• [X] I agree to follow Nextcloud's Code of Conduct

Bug description

The padlock (of a locked file) is black, with the classic Windows theme, we can see it, but when the dark theme is used, we no longer see it.

Steps to reproduce

Lock a file with Windows dark theme

Expected behavior

You should have a gray or white lock icon with dark theme.

Which files are affected by this bug

Windows explorer

Operating system

Windows

Which version of the operating system you are running.

Windows 10 et Windows 11

Package

Appimage

Nextcloud Server version

25.0.1

Nextcloud Desktop Client version

3.10.0

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

Updated to a major version (ex. 3.3.6 to 3.4.0)

Are you using the Nextcloud Server Encryption module?

Encryption is Disabled

Are you using an external user-backend?

• [X] Default internal user-backend
• [X] LDAP/ Active Directory
• [ ] SSO - SAML
• [ ] Other

Nextcloud Server logs

No response

Additional info

No response