gps matcher async

put cryptography lib to fixed version
fix race condition bug in queue handler
add lock to db writing and backup to file db on each write

Azaion.Dataset/Controls/ClassDistrtibutionProportionWidthConverter.cs

@@ -25,9 +25,7 @@ namespace Azaion.Dataset.Controls
             return Math.Max(0, calculatedWidth); // Ensure width is not negative
         }
 
-        public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
-        {
-            throw new NotImplementedException();
-        }
+        public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture) =>
+            [value];
     }
 }

Azaion.Dataset/DatasetExplorer.xaml.cs

@@ -106,21 +106,6 @@ public partial class DatasetExplorer
             new List<DetectionClass> { new() {Id = -1, Name = "All", ShortName = "All"}}
                 .Concat(_annotationConfig.DetectionClasses));
         LvClasses.Init(AllDetectionClasses);
-
-        _dbFactory.Run(db =>
-        {
-            var allAnnotations = db.Annotations
-                .LoadWith(x => x.Detections)
-                .OrderBy(x => x.AnnotationStatus)
-                .ThenByDescending(x => x.CreatedDate)
-                .ToList();
-
-            foreach (var annotation in allAnnotations)
-                AddAnnotationToDict(annotation);
-            return null!;
-        });
-
-        DataContext = this;
     }
 
     private async void OnLoaded(object sender, RoutedEventArgs e)
@@ -138,6 +123,15 @@ public partial class DatasetExplorer
 
         ExplorerEditor.CurrentAnnClass = LvClasses.CurrentDetectionClass ?? _annotationConfig.DetectionClasses.First();
 
+        var allAnnotations = await _dbFactory.Run(async db =>
+            await db.Annotations.LoadWith(x => x.Detections)
+                .OrderBy(x => x.AnnotationStatus)
+                .ThenByDescending(x => x.CreatedDate)
+                .ToListAsync());
+
+        foreach (var annotation in allAnnotations)
+            AddAnnotationToDict(annotation);
+
         await ReloadThumbnails();
         LoadClassDistribution();