Add redrawing of Snackbar and Toast when the screen is rotated (#1405)

Co-authored-by: Vladislav Antonyuk <33021114+VladislavAntonyuk@users.noreply.github.com>

src/CommunityToolkit.Maui.Core/Views/RoundedView.macios.cs

@@ -55,6 +55,13 @@ public override void Draw(CGRect rect)
 		Layer.MasksToBounds = true;
 	}
 
+	/// <inheritdoc />
+	public override void LayoutSubviews()
+	{
+		base.LayoutSubviews();
+		Draw(Frame);
+	}
+
 	static CGPath? GetRoundedPath(CGRect rect, NFloat left, NFloat top, NFloat right, NFloat bottom)
 	{
 		var path = new UIBezierPath();