make python app load a bit eariler, making startup a bit faster

Azaion.Annotator/Annotator.xaml.cs

@@ -41,7 +41,6 @@ public partial class Annotator
     private readonly AnnotationService _annotationService;
     private readonly IDbFactory _dbFactory;
     private readonly IInferenceService _inferenceService;
-    private readonly IResourceLoader _resourceLoader;
 
     private ObservableCollection<DetectionClass> AnnotationClasses { get; set; } = new();
     private bool _suspendLayout;
@@ -71,8 +70,7 @@ public partial class Annotator
         ILogger<Annotator> logger,
         AnnotationService annotationService,
         IDbFactory dbFactory,
-        IInferenceService inferenceService,
-        IResourceLoader resourceLoader)
+        IInferenceService inferenceService)
     {
         InitializeComponent();
         _appConfig = appConfig.Value;
@@ -86,7 +84,6 @@ public partial class Annotator
         _annotationService = annotationService;
         _dbFactory = dbFactory;
         _inferenceService = inferenceService;
-        _resourceLoader = resourceLoader;
 
         Loaded += OnLoaded;
         Closed += OnFormClosed;
@@ -401,7 +398,6 @@ public partial class Annotator
 
     private void OnFormClosed(object? sender, EventArgs e)
     {
-        _resourceLoader.StopPython();
         MainCancellationSource.Cancel();
         DetectionCancellationSource.Cancel();
         _mediaPlayer.Stop();
@@ -454,6 +450,7 @@ public partial class Annotator
 
         _appConfig.DirectoriesConfig.VideosDirectory = dlg.FileName;
         TbFolder.Text = dlg.FileName;
+        await Task.CompletedTask;
     }
 
     private void TbFilter_OnTextChanged(object sender, TextChangedEventArgs e)
@@ -497,8 +494,6 @@ public partial class Annotator
         LvFilesContextMenu.DataContext = listItem!.DataContext;
     }
 
-    private (TimeSpan Time, List<Detection> Detections)? _previousDetection;
-
     public void AutoDetect(object sender, RoutedEventArgs e)
     {
         if (IsInferenceNow)
@@ -560,7 +555,7 @@ public partial class Annotator
             try
             {
                 var annotation = await _annotationService.SaveAnnotation(annotationImage);
-                if (annotation.OriginalMediaName != _formState.CurrentMedia.FName)
+                if (annotation.OriginalMediaName != _formState.CurrentMedia?.FName)
                     return;
                 AddAnnotation(annotation);