Crash when enumerating the result

[jibedoubleve]

Logs

2023-12-20 17:35:11.7881;DEBUG;ReactiveUI;1;MainViewModel: New results. OnNext: 7 element(s);
2023-12-20 17:35:11.7881;DEBUG;ReactiveUI;1;MainViewModel: Results changed. OnNext: Current alias: 'by:dropbox';
2023-12-20 17:35:57.5528;ERROR;Lanceur.Ui.UserNotification;1;Object reference not set to an instance of an object.;"System.NullReferenceException: Object reference not set to an instance of an object.
   at Lanceur.Views.MainView.<>c__DisplayClass4_0.<.ctor>b__42(QueryResult s) in D:\a\lanceur-bis\lanceur-bis\src\Lanceur\Views\MainView.xaml.cs:line 152
   at System.Linq.Enumerable.WhereEnumerableIterator`1.MoveNext()
   at System.Linq.Enumerable.TryGetFirst[TSource](IEnumerable`1 source, Boolean& found)
   at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source)
   at Lanceur.Views.MainView.<>c.<.ctor>b__4_40(MouseButtonEventArgs x) in D:\a\lanceur-bis\lanceur-bis\src\Lanceur\Views\MainView.xaml.cs:line 151
   at System.Reactive.Linq.ObservableImpl.Select`2.Selector._.OnNext(TSource value) in /_/Rx.NET/Source/src/System.Reactive/Linq/Observable/Select.cs:line 48
--- End of stack trace from previous location ---
   at System.Reactive.PlatformServices.ExceptionServicesImpl.Rethrow(Exception exception) in /_/Rx.NET/Source/src/System.Reactive/Internal/ExceptionServicesImpl.cs:line 19
   at System.Reactive.ExceptionHelpers.Throw(Exception exception) in /_/Rx.NET/Source/src/System.Reactive/Internal/ExceptionServices.cs:line 16
   at System.Reactive.Stubs.<>c.<.cctor>b__2_1(Exception ex) in /_/Rx.NET/Source/src/System.Reactive/Internal/Stubs.cs:line 16
   at System.Reactive.AnonymousSafeObserver`1.OnError(Exception error) in /_/Rx.NET/Source/src/System.Reactive/AnonymousSafeObserver.cs:line 62
   at System.Reactive.Sink`1.ForwardOnError(Exception error) in /_/Rx.NET/Source/src/System.Reactive/Internal/Sink.cs:line 60
   at System.Reactive.Linq.ObservableImpl.SelectMany`2.ObservableSelector._.OnError(Exception error) in /_/Rx.NET/Source/src/System.Reactive/Linq/Observable/SelectMany.cs:line 887
   at System.Reactive.Sink`1.ForwardOnError(Exception error) in /_/Rx.NET/Source/src/System.Reactive/Internal/Sink.cs:line 60
   at System.Reactive.Sink`2.OnError(Exception error) in /_/Rx.NET/Source/src/System.Reactive/Internal/Sink.cs:line 94
   at System.Reactive.Sink`1.ForwardOnError(Exception error) in /_/Rx.NET/Source/src/System.Reactive/Internal/Sink.cs:line 60
   at System.Reactive.Sink`2.OnError(Exception error) in /_/Rx.NET/Source/src/System.Reactive/Internal/Sink.cs:line 94
   at System.Reactive.Sink`1.ForwardOnError(Exception error) in /_/Rx.NET/Source/src/System.Reactive/Internal/Sink.cs:line 60
   at System.Reactive.Linq.ObservableImpl.Switch`1._.InnerObserver.OnError(Exception error) in /_/Rx.NET/Source/src/System.Reactive/Linq/Observable/Switch.cs:line 114
   at System.Reactive.Sink`1.ForwardOnError(Exception error) in /_/Rx.NET/Source/src/System.Reactive/Internal/Sink.cs:line 60
   at System.Reactive.Sink`2.OnError(Exception error) in /_/Rx.NET/Source/src/System.Reactive/Internal/Sink.cs:line 94
   at System.Reactive.Subjects.Subject`1.OnError(Exception error) in /_/Rx.NET/Source/src/System.Reactive/Subjects/Subject.cs:line 120
   at System.Reactive.Sink`1.ForwardOnError(Exception error) in /_/Rx.NET/Source/src/System.Reactive/Internal/Sink.cs:line 60
   at System.Reactive.Sink`2.OnError(Exception error) in /_/Rx.NET/Source/src/System.Reactive/Internal/Sink.cs:line 94
   at System.Reactive.Sink`1.ForwardOnError(Exception error) in /_/Rx.NET/Source/src/System.Reactive/Internal/Sink.cs:line 60
   at System.Reactive.Linq.ObservableImpl.Select`2.Selector._.OnNext(TSource value) in /_/Rx.NET/Source/src/System.Reactive/Linq/Observable/Select.cs:line 48
   at System.Reactive.Subjects.Subject`1.OnNext(T value) in /_/Rx.NET/Source/src/System.Reactive/Subjects/Subject.cs:line 136
   at System.Windows.RxUIElementEvents.<>c__DisplayClass117_0.<get_PreviewMouseLeftButtonUp>g__Handler|3(Object sender, MouseButtonEventArgs e) in D:\a\ReactiveUI\ReactiveUI\src\ReactiveUI.Events.WPF\Events_net5.0.cs:line 2170
   at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   at System.Windows.UIElement.ReRaiseEventAs(DependencyObject sender, RoutedEventArgs args, RoutedEvent newEvent)
   at System.Windows.UIElement.OnPreviewMouseUpThunk(Object sender, MouseButtonEventArgs e)
   at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   at System.Windows.UIElement.RaiseTrustedEvent(RoutedEventArgs args)
   at System.Windows.Input.InputManager.ProcessStagingArea()
   at System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
   at System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)
   at System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)"