Add audio visualizer to LockScreen

Services/CavaService.qml

@@ -38,7 +38,8 @@ Singleton {
     id: process
     stdinEnabled: true
     running: (Settings.data.audio.visualizerType !== "none") && (PanelService.sidePanel.active
-                                                                 || Settings.data.audio.showMiniplayerCava)
+                                                                 || Settings.data.audio.showMiniplayerCava
+                                                                 || (PanelService.lockScreen && PanelService.lockScreen.active))
     command: ["cava", "-p", "/dev/stdin"]
     onExited: {
       stdinEnabled = true

Services/PanelService.qml

@@ -8,6 +8,9 @@ Singleton {
   // A ref. to the sidePanel, so it's accessible from other services
   property var sidePanel: null
 
+  // A ref. to the lockScreen, so it's accessible from other services
+  property var lockScreen: null
+
   // Currently opened panel
   property var openedPanel: null