Add Icon(Symbol) factory overload

Adds an overload that takes the WinUI Symbol enum
directly for better discoverability and IntelliSense.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: sundaramramaswamy

src/Reactor/Elements/Dsl.cs

@@ -1195,6 +1195,9 @@ public static BitmapIconData BitmapIcon(global::System.Uri source, bool showAsMo
     /// <summary>Creates a standalone icon element from an <see cref="IconData"/> instance.</summary>
     public static Core.IconElement Icon(IconData data) => new(data);
 
+    /// <summary>Creates a standalone symbol icon element from a <see cref="Symbol"/> enum value.</summary>
+    public static Core.IconElement Icon(Symbol symbol) => new(new SymbolIconData(symbol.ToString()));
+
     /// <summary>Creates a standalone symbol icon element (e.g. <c>Icon("Home")</c>).</summary>
     public static Core.IconElement Icon(string symbol) => new(new SymbolIconData(symbol));
 

tests/Reactor.Tests/ElementRecordCoverageTests.cs

@@ -62,6 +62,14 @@ public void Icon_Factory_From_String_Creates_SymbolIconData()
         Assert.Equal("Home", ((SymbolIconData)el.Data).Symbol);
     }
 
+    [Fact]
+    public void Icon_Factory_From_Symbol_Enum_Creates_SymbolIconData()
+    {
+        var el = Factories.Icon(Microsoft.UI.Xaml.Controls.Symbol.Home);
+        Assert.IsType<SymbolIconData>(el.Data);
+        Assert.Equal("Home", ((SymbolIconData)el.Data).Symbol);
+    }
+
     [Fact]
     public void AppBar_Data_Variants_Construct()
     {