perf(WindowManager): Add CreateContentNativeFast binding

Author: ebariche

src/Uno.UI/UI/Xaml/WindowManagerInterop.wasm.cs

@@ -81,6 +81,9 @@ internal static void CreateContent(IntPtr htmlId, string htmlTag, IntPtr handle,
 			}
 			else
 			{
+#if NET7_0_OR_GREATER
+				NativeMethods.CreateContent(htmlId, htmlTag, uiElementRegistrationId, isFocusable, htmlTagIsSvg);
+#else
 				var parms = new WindowManagerCreateContentParams
 				{
 					HtmlId = htmlId,
@@ -92,6 +95,7 @@ internal static void CreateContent(IntPtr htmlId, string htmlTag, IntPtr handle,
 				};
 
 				TSInteropMarshaller.InvokeJS("Uno:createContentNative", parms);
+#endif
 			}
 		}
 
@@ -1563,6 +1567,9 @@ internal static partial void ArrangeElement(
 				double clipBottom,
 				double clipRight);
 
+			[JSImport("globalThis.Uno.UI.WindowManager.current.createContentNativeFast")]
+			internal static partial void CreateContent(IntPtr htmlId, string tagName, int uiElementRegistrationId, bool isFocusable, bool isSvg);
+
 			[JSImport("globalThis.Uno.UI.WindowManager.current.measureViewNativeFast")]
 			internal static partial void MeasureView(IntPtr htmlId, double availableWidth, double availableHeight, bool measureContent, IntPtr pReturn);
 

src/Uno.UI/ts/WindowManager.ts

@@ -252,6 +252,23 @@ namespace Uno.UI {
 			return true;
 		}
 
+		public createContentNativeFast(
+			htmlId: number,
+			tagName: string,
+			uiElementRegistrationId: number,
+			isFocusable: boolean,
+			isSvg: boolean) {
+
+			this.createContentInternal({
+				id: this.handleToString(htmlId),
+				handle: htmlId, /* handle is htmlId */
+				tagName: tagName,
+				uiElementRegistrationId: uiElementRegistrationId,
+				isFocusable: isFocusable,
+				isSvg: isSvg
+			});
+		}
+
 		private createContentInternal(contentDefinition: IContentDefinition): void {
 			// Create the HTML element
 			const element =