feat: Add LabelControlBaseExtensions -> FindByIdentifier

Author: davidkallesen

src/Atc.Wpf.Controls/LabelControls/Extensions/LabelControlBaseExtensions.cs

@@ -6,4 +6,15 @@ public static class LabelControlBaseExtensions
     public static bool IsValid(
         this ILabelControlBase labelControl)
         => labelControl is not ILabelControl control || control.IsValid();
+
+    public static T? FindByIdentifier<T>(
+        this List<ILabelControlBase> labelControls,
+        string identifier)
+        where T : class, ILabelControlBase
+    {
+        ArgumentNullException.ThrowIfNull(labelControls);
+        ArgumentException.ThrowIfNullOrEmpty(identifier);
+
+        return labelControls.Find(x => x.Identifier == identifier) as T;
+    }
 }