systemupdate: use ref system to prevent executions

Modules/DankBar/Widgets/SystemUpdate.qml

@@ -20,6 +20,10 @@ Rectangle {
 
     signal clicked()
 
+    Ref {
+        service: SystemUpdateService
+    }
+
     width: isVertical ? widgetThickness : (updaterIcon.width + horizontalPadding * 2)
     height: isVertical ? widgetThickness : widgetThickness
     radius: SettingsData.dankBarNoBackground ? 0 : Theme.cornerRadius

Modules/SystemUpdatePopout.qml

@@ -22,6 +22,10 @@ DankPopout {
         triggerScreen = screen;
     }
 
+    Ref {
+        service: SystemUpdateService
+    }
+
     popupWidth: 400
     popupHeight: 500
     triggerX: Screen.width - 600 - Theme.spacingL

Services/SystemUpdateService.qml

@@ -10,6 +10,7 @@ import qs.Common
 Singleton {
     id: root
 
+    property int refCount: 0
     property var availableUpdates: []
     property bool isChecking: false
     property bool hasError: false
@@ -256,7 +257,7 @@ Singleton {
     Timer {
         interval: 30 * 60 * 1000
         repeat: true
-        running: distributionSupported && (pkgManager || updChecker)
+        running: refCount > 0 && distributionSupported && (pkgManager || updChecker)
         onTriggered: checkForUpdates()
     }
 }