The titlebar is white on dark mode [KDE Plasma] #2241

Describe the bug

Hello. As title says, the titlebar is white on dark mode.

To reproduce

1. Open LocalSend
2. White titlebar on dark mode

Expected behavior

1. Open LocalSend
2. The titlebar should respect the system theme.

Screenshots

Desktop (please complete the following information)

OS: Fedora Kinoite
Version: 41

Smartphone (please complete the following information)

No response

Additional context

No response