Merge branch 'main' into cpu-usage-fix

Author: marticliment

src/UniGetUI/MainWindow.xaml.cs

@@ -167,6 +167,20 @@ private void ClearSubtitle()
             Title = "UniGetUI";
         }
 
+        private void AddToSubtitle(string line)
+        {
+            if (AppSubTitle.Text.Length > 0)
+                AppSubTitle.Text += " - ";
+            AppSubTitle.Text += line;
+            Title = "UniGetUI - " + AppSubTitle.Text;
+        }
+
+        private void ClearSubtitle()
+        {
+            AppSubTitle.Text = "";
+            Title = "UniGetUI";
+        }
+
         private static void TransferOldSettingsFormats()
         {
             foreach (IPackageManager Manager in PEInterface.Managers)