Fix Android CollectionView template handlers to always call UpdateAdapter for dynamic template changes

Co-authored-by: SuthiYuvaraj <[email protected]>

Author: Copilot

src/Controls/src/Core/Handlers/Items/StructuredItemsViewHandler.Android.cs

@@ -14,36 +14,12 @@ public partial class StructuredItemsViewHandler<TItemsView> : ItemsViewHandler<T
 
 		public static void MapHeaderTemplate(StructuredItemsViewHandler<TItemsView> handler, StructuredItemsView itemsView)
 		{
-			// Only call UpdateAdapter if adapter is not yet set up, otherwise the adapter's property listener handles it
-			var recyclerView = handler.PlatformView as IMauiRecyclerView<TItemsView>;
-			if (recyclerView != null)
-			{
-				// Check if this is a RecyclerView and if the adapter is already set
-				if (handler.PlatformView is RecyclerView androidRecyclerView && androidRecyclerView.GetAdapter() != null)
-				{
-					// Adapter is already set, the adapter's property change listener will handle this more efficiently
-					return;
-				}
-				// Adapter not set yet, need to use UpdateAdapter for initial setup
-				recyclerView.UpdateAdapter();
-			}
+			(handler.PlatformView as IMauiRecyclerView<TItemsView>)?.UpdateAdapter();
 		}
 
 		public static void MapFooterTemplate(StructuredItemsViewHandler<TItemsView> handler, StructuredItemsView itemsView)
 		{
-			// Only call UpdateAdapter if adapter is not yet set up, otherwise the adapter's property listener handles it
-			var recyclerView = handler.PlatformView as IMauiRecyclerView<TItemsView>;
-			if (recyclerView != null)
-			{
-				// Check if this is a RecyclerView and if the adapter is already set
-				if (handler.PlatformView is RecyclerView androidRecyclerView && androidRecyclerView.GetAdapter() != null)
-				{
-					// Adapter is already set, the adapter's property change listener will handle this more efficiently
-					return;
-				}
-				// Adapter not set yet, need to use UpdateAdapter for initial setup
-				recyclerView.UpdateAdapter();
-			}
+			(handler.PlatformView as IMauiRecyclerView<TItemsView>)?.UpdateAdapter();
 		}
 
 		public static void MapItemsLayout(StructuredItemsViewHandler<TItemsView> handler, StructuredItemsView itemsView)