[applets/systemtray] Follow panel opacity
The system tray doesn't follow the panel opacity (it's always transparent even when the setting is set to opaque or dynamic with a maximized window present)
BUG: 439025 FIXED-IN: 5.24.0
The system tray doesn't follow the panel opacity (it's always transparent even when the setting is set to opaque or dynamic with a maximized window present)
BUG: 439025 FIXED-IN: 5.24.0