feature: automatically scroll to the end of the log

Author: cdammanintopix

src/Views/CommandLogContentPresenter.cs

@@ -146,11 +146,13 @@ protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs chang
                 {
                     Text = string.Empty;
                 }
+                ScrollToEnd();
             }
             else if (change.Property == PureTextProperty)
             {
                 if (!string.IsNullOrEmpty(PureText))
                     Text = PureText;
+                ScrollToEnd();
             }
         }