Fix bot management for delete and stop

src/Managing.Infrastructure.Database/BotRepository.cs

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