Merge pull request #3075 from AvaloniaUI/fixes/3070-textbox-bringintoview

Queue caret update with correct priority.

src/Avalonia.Controls/Presenters/TextPresenter.cs

@@ -244,7 +244,7 @@ namespace Avalonia.Controls.Presenters
                             var rect = FormattedText.HitTestTextPosition(caretIndex);
                             this.BringIntoView(rect);
                         },
-                        DispatcherPriority.Normal);
+                        DispatcherPriority.Render);
                 }
             }
         }