Relayer returns no error while constructing relay packet after timeout

[mconcat]

Ref: https://github.com/cosmos/solidity-ibc-eureka/pull/350/files#diff-9154b75052d3153900fb91842204a802c55d66e3a9b9b405414b8037ee91d965R1272

Summary of Bug

RelayerClient.RelayByTx should return an error if the function has been called after the timeout, but it does not.

Expected Behaviour

Version

Steps to Reproduce

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