Revize baf6fc22

More changes in export and download

Backend/Core/Services/AnnotationService/AnnotationServiceEF.cs

@@ -858 +858 @@
             foreach (var document in finalAnnotationsToExport.Keys)
             {
                 var finalAnnotation = finalAnnotationsToExport[document];
+                if (finalAnnotation == null)
+                {
+                    continue;
+                }
+
                 finalTagsToExport[finalAnnotation] = context.FinalAnnotationTags
                     .Include(at => at.Annotation)
                     .Include(at => at.Tag).ThenInclude(t => t.Category)