LT-4926: Potential corrupted snapshot

[lykke-vashetsin]

No description provided.

[tarurar]

Suggested change

	var latestLastModified = currentOrders.Any()
	? currentOrders.Max(x => x.LastModified)
	: (DateTime?)null;
	var ordersHistory = await _ordersHistoryRepository.GetLastSnapshot(tradingEngineSnapshot.Timestamp, latestLastModified);
	var latestOrder = currentOrders.MaxBy(x => x.LastModified);
	var ordersHistory = await _ordersHistoryRepository.GetLastSnapshot(tradingEngineSnapshot.Timestamp, latestOrder?.LastModified);

[github-actions]

Package	Line Rate	Branch Rate	Complexity	Health
MarginTrading.Backend	3%	7%	596	❌
MarginTrading.Backend.Core	65%	58%	1508	✔
MarginTrading.SqlRepositories	0%	0%	469	❌
MarginTrading.AzureRepositories	4%	36%	197	❌
MarginTrading.Contract	0%	100%	38	❌
MarginTrading.Backend.Contracts	34%	25%	582	✔
MarginTrading.Backend.Core.Mappers	0%	0%	4	❌
MarginTrading.Common	16%	16%	406	➖
MarginTrading.Backend.Services	44%	38%	3279	✔
Summary	36% (5831 / 15977)	34% (1465 / 4306)	7079	✔