[Feature]: Show channel logo in place of cover art for live tv

[Nimijneb]

Problem or Use Case

Currently Now Playing cards do not show any artwork when the user is watching Live TV.

Proposed Solution

Could we have the channel logo show there?

Alternatives Considered

n/a

Affected Platforms

• Web Dashboard
• Mobile App (iOS/Android)
• Server/Backend
• Notifications
• API
• Not sure

Related Media Servers

• Jellyfin
• Plex
• Emby
• All / Not server-specific

Feature Category

Accessibility / UX

Impact

Nice to have - would improve experience

Examples or References

n/a

Additional Context

n/a

Contribution

• I can help test this
• I can help document this
• I can help build this

Checklist

• This isn't a duplicate of an existing issue
• This fits Tracearr's scope (streaming access management)