[Version-unspecific] Reallow EVM AddSignedTxItem cancel transactions upon "already known" SendTransaction error

[Version-unspecific]

Intended to close #1779 (closed)
'Vaults can never(?) sign EVM cancel transactions (SendTransaction "already known" error blocks AddSignedTxItem)'.

added chain-client vaults labels

mentioned in issue #1779 (closed)

approved this merge request

approved this merge request

mentioned in merge request !3103 (closed)

merged

changed milestone to %Release-1.125.0

mentioned in issue mayachain/mayanode#94

mentioned in merge request mayachain/mayanode!313 (merged)