[notifications] Set proper value for x-kde-xdgTokenAppId
KNotification prefills this with QGuiApplication::desktopFileName(), which is the portal id here That's obviously wrong and should be the actual app id, so set that See plasma-workspace#65
KNotification prefills this with QGuiApplication::desktopFileName(), which is the portal id here That's obviously wrong and should be the actual app id, so set that See plasma-workspace#65
mentioned in commit 4c4544f3