Fixes AvatarView crash on load

src/CommunityToolkit/Xamarin.CommunityToolkit/Views/BaseTemplatedView.shared.cs

@@ -1,5 +1,4 @@
-using System;
-using Xamarin.Forms;
+using Xamarin.Forms;
 
 namespace Xamarin.CommunityToolkit.UI.Views.Internals
 {
@@ -9,9 +8,7 @@ namespace Xamarin.CommunityToolkit.UI.Views.Internals
 	/// <typeparam name="TControl">The type of the control that this template will be used for</typeparam>
 	public abstract class BaseTemplatedView<TControl> : TemplatedView where TControl : View, new()
 	{
-		TControl? control;
-
-		protected TControl Control => control ?? throw new NullReferenceException();
+		protected TControl? Control { get; private set; }
 
 		/// <summary>
 		/// Constructor of <see cref="BaseTemplatedView{TControl}" />
@@ -23,15 +20,15 @@ protected override void OnBindingContextChanged()
 		{
 			base.OnBindingContextChanged();
 
-			if (control != null)
+			if (Control != null)
 				Control.BindingContext = BindingContext;
 		}
 
 		protected override void OnChildAdded(Element child)
 		{
-			if (control == null && child is TControl content)
+			if (Control == null && child is TControl control)
 			{
-				control = content;
+				Control = control;
 				OnControlInitialized(Control);
 			}
 

src/CommunityToolkit/Xamarin.CommunityToolkit/Views/SideMenuView/SideMenuView.shared.cs

@@ -637,18 +637,18 @@ void RemoveChild(View view)
 		void RaiseMenuIfNeeded(View? menuView)
 		{
 			if (menuView != null && GetMenuAppearanceType(menuView) == SideMenuAppearanceType.SlideIn)
-				Control.RaiseChild(menuView);
+				Control?.RaiseChild(menuView);
 		}
 
 		void OnLayoutChanged(object? sender, EventArgs e)
 		{
 			if (mainView == null)
 				return;
 
-			using (Control.Batch())
+			using (Control?.Batch())
 			{
-				Control.RaiseChild(mainView);
-				Control.RaiseChild(overlayView);
+				Control?.RaiseChild(mainView);
+				Control?.RaiseChild(overlayView);
 
 				RaiseMenuIfNeeded(leftMenu);
 				RaiseMenuIfNeeded(rightMenu);