Switch back to ReadOnlyObservableCollection for items source

Author: lukeblevins

Files/GenericFileBrowser.xaml

@@ -141,7 +141,7 @@
         <Rectangle x:Load="{x:Bind IsSelectionRectangleDisplayed, Mode=OneWay}" x:Name="SelectionRectangle" Fill="Blue" Stroke="DarkBlue" Opacity="0.7"/>
         <ProgressBar Visibility="{x:Bind AssociatedViewModel.LoadIndicator.isVisible,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" x:Name="progBar" Height="10" VerticalAlignment="Top" IsIndeterminate="True"/>
         <TextBlock Visibility="{x:Bind AssociatedViewModel.EmptyTextState.isVisible, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" x:Name="EmptyText" HorizontalAlignment="Center" Text="This folder is empty." TextWrapping="Wrap" VerticalAlignment="Top" Margin="0,125,0,0"/>
-        <controls:DataGrid DoubleTapped="{x:Bind local:App.OccupiedInstance.instanceInteraction.List_ItemClick}" RightTapped="{x:Bind local:App.OccupiedInstance.instanceInteraction.AllView_RightTapped}" ItemsSource="{x:Bind AssociatedViewModel._filesAndFolders, Mode=OneWay}" PreviewKeyDown="AllView_PreviewKeyDown" ScrollViewer.IsScrollInertiaEnabled="True"  ClipboardCopyMode="None" RowDetailsVisibilityMode="Collapsed" AllowDrop="True" Drop="AllView_DropAsync" DragStarting="AllView_DragStarting" SelectionChanged="AllView_SelectionChanged" Margin="24,24,0,0" Grid.Row="3" PreparingCellForEdit="AllView_PreparingCellForEdit" CellEditEnding="AllView_CellEditEnding" CellEditEnded="AllView_CellEditEnded" FocusVisualPrimaryThickness="0" SelectionMode="Extended" IsDoubleTapEnabled="True" x:FieldModifier="public" x:Name="AllView" AutoGenerateColumns="False" CanDrag="True" DragOver="AllView_DragOver" IsRightTapEnabled="True" CanUserReorderColumns="False" CanUserSortColumns="True" Sorting="AllView_Sorting" HorizontalAlignment="Left">
+        <controls:DataGrid DoubleTapped="{x:Bind local:App.OccupiedInstance.instanceInteraction.List_ItemClick}" RightTapped="{x:Bind local:App.OccupiedInstance.instanceInteraction.AllView_RightTapped}" ItemsSource="{x:Bind AssociatedViewModel.FilesAndFolders, Mode=OneWay}" PreviewKeyDown="AllView_PreviewKeyDown" ScrollViewer.IsScrollInertiaEnabled="True"  ClipboardCopyMode="None" RowDetailsVisibilityMode="Collapsed" AllowDrop="True" Drop="AllView_DropAsync" DragStarting="AllView_DragStarting" SelectionChanged="AllView_SelectionChanged" Margin="24,24,0,0" Grid.Row="3" PreparingCellForEdit="AllView_PreparingCellForEdit" CellEditEnding="AllView_CellEditEnding" CellEditEnded="AllView_CellEditEnded" FocusVisualPrimaryThickness="0" SelectionMode="Extended" IsDoubleTapEnabled="True" x:FieldModifier="public" x:Name="AllView" AutoGenerateColumns="False" CanDrag="True" DragOver="AllView_DragOver" IsRightTapEnabled="True" CanUserReorderColumns="False" CanUserSortColumns="True" Sorting="AllView_Sorting" HorizontalAlignment="Left">
             <controls:DataGrid.Resources>
                 <SolidColorBrush x:Key="DataGridCellFocusVisualPrimaryBrush" Color="Transparent"/>
                 <SolidColorBrush x:Key="DataGridCellFocusVisualSecondaryBrush" Color="Transparent"/>