Fix system tray icon having a blue dot after all operations finished

Author: marticliment

src/UniGetUI/App.xaml.cs

@@ -42,13 +42,6 @@ public static bool RestartRequired
                 set { _restart_required = value; Instance?.MainWindow?.UpdateSystemTrayStatus(); }
             }
 
-            private static int _operations_in_progress;
-            public static int OperationsInProgress
-            {
-                get => _operations_in_progress;
-                set { _operations_in_progress = value; Instance?.MainWindow?.UpdateSystemTrayStatus(); }
-            }
-
             private static int _available_updates;
             public static int AvailableUpdates
             {

src/UniGetUI/Controls/OperationWidgets/OperationControl.cs

@@ -98,7 +98,6 @@ public OperationControl(AbstractOperation operation)
     private void OnOperationStarting(object? sender, EventArgs e)
     {
         ShowProgressToast();
-        MainApp.Tooltip.OperationsInProgress++;
         MainApp.Instance.MainWindow.NavigationPage.OperationList.SmoothScrollIntoViewWithItemAsync(this);
     }
 
@@ -123,7 +122,6 @@ private async void OnOperationFinished(object? sender, EventArgs e)
     {
         // Remove progress notification (if any)
         AppNotificationManager.Default.RemoveByTagAsync(Operation.Metadata.Identifier + "progress");
-        MainApp.Tooltip.OperationsInProgress--;
 
         // Generate process output
         List<string> rawOutput =

src/UniGetUI/MainWindow.xaml.cs

@@ -548,7 +548,7 @@ public void UpdateSystemTrayStatus()
                 string modifier = "_empty";
                 string tooltip = CoreTools.Translate("Everything is up to date") + " - " + Title;
 
-                if (MainApp.Tooltip.OperationsInProgress > 0)
+                if (MainApp.Operations.AreThereRunningOperations())
                 {
                     modifier = "_blue";
                     tooltip = CoreTools.Translate("Operation in progress") + " - " + Title;