WIP WIP WIP Handle indeterminate YDB request state

[nvamelichev]

Resolves #165

[github-actions]

Overall Project	56% -0.58%	🍏
Files changed	48.96%	❌

Module	Coverage
YOJ - In-Memory Repository	85.91% -0.17%	🍏
YOJ - YDB Repository (SDK v2.x)	75.07% -0.41%	🍏
YOJ - Transaction Aspect	53.92% -7.52%	❌
YOJ - Repository API	23.85% -1.48%	❌

Files

Module	File	Coverage
YOJ - In-Memory Repository	InMemoryRepositoryTransaction.java	97.16% -1.42%	🍏
YOJ - YDB Repository (SDK v2.x)	ByEntityYqlQueriesMerger.java	98.78% -1.09%	🍏
	YdbRepositoryTransaction.java	79.73% -0.67%	🍏
	YdbValidator.java	62.69% -16.17%	🍏
	YdbOperations.java	53.09%	🍏
	YdbSessionManager.java	43.43% -1.01%	❌
YOJ - Transaction Aspect	YojTransactionAspect.java	46.93% -8.66%	❌
YOJ - Repository API	RepositoryException.java	100%	🍏
	ConditionalRetryMode.java	100%	🍏
	StdTxManager.java	72.14% -8.6%	❌
	TxOptions.java	67.8% -12.99%	❌
	RetryableExceptionBase.java	55.56% -44.44%	🍏
	OptimisticLockException.java	45.45% -45.45%	❌
	TxManager.java	37.04%	🍏
	RetryableException.java	34.62% -19.23%	❌
	EntityAlreadyExistsException.java	0% -57.14%	❌
	ConditionallyRetryableException.java	0%	❌