fix: Update focused child check to use EnhancedTextBox (#1606)

Author: gadfly3173

src/Views/LauncherPage.axaml.cs

@@ -20,7 +20,7 @@ private void OnPopupSureByHotKey(object sender, RoutedEventArgs e)
             var children = this.GetLogicalDescendants();
             foreach (var child in children)
             {
-                if (child is TextBox { IsFocused: true } textBox)
+                if (child is EnhancedTextBox { IsFocused: true } textBox)
                 {
                     var fake = new KeyEventArgs()
                     {