PM-3349 PM-3350 MAUI Migration Initial

src/Core/Controls/ExtendedCollectionView.cs

@@ -0,0 +1,20 @@
+using System.Globalization;
+using CommunityToolkit.Maui.Converters;
+
+namespace Bit.App.Controls
+{
+    public class ExtendedCollectionView : CollectionView
+    {
+        public string ExtraDataForLogging { get; set; }
+    }
+
+    public class SelectionChangedEventArgsConverter : BaseConverterOneWay<SelectionChangedEventArgs, object>
+    {
+        public override object DefaultConvertReturnValue { get; set; } = null;
+
+        public override object ConvertFrom(SelectionChangedEventArgs value, CultureInfo culture)
+        {
+            return value?.CurrentSelection.FirstOrDefault();
+        }
+    }
+}