Fix bot things 2

src/Managing.Infrastructure.Database/BotRepository.cs

@@ -34,8 +34,9 @@ public class BotRepository : IBotRepository
         _botRepository.Update(dto);
     }
 
-    public void DeleteBotBackup(string botName)
+    public async Task DeleteBotBackup(string botName)
     {
-        _botRepository.DeleteOne(b => b.Name == botName);
+        var backup = await _botRepository.FindOneAsync(b => b.Name == botName);
+        await _botRepository.DeleteOneAsync(b => b.Id == backup.Id);
     }
 }