feat: Handle LabelContent

Author: davidkallesen

src/Atc.Wpf.Controls/LabelControls/LabelControlsFormColumn.cs

@@ -173,6 +173,17 @@ public Dictionary<string, object> GetKeyValues()
                         result.Add(control.GetFullIdentifier(), (Color)color);
                     }
 
+                    break;
+                case LabelContent labelContent:
+                    if (labelContent.Content is FrameworkElement { DataContext: ViewModelBase } labelContentFrameworkElement)
+                    {
+                        var tag = labelContent.Tag?.ToString();
+                        if (!string.IsNullOrEmpty(tag))
+                        {
+                            result.Add(tag, labelContentFrameworkElement.DataContext);
+                        }
+                    }
+
                     break;
             }
         }