fix: Make rechecking a tx check the sequence number

[ValarDragon]

Description

Closes: #XXXX

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[robert-zaremba]

Note: this is consensus breaking.

[robert-zaremba]

hmm... maybe it's not consensus breaking if the recheck is only happening in with the check state.

[ValarDragon]

Yeah, its not consensus breaking, only affects checktx/rechecktx =)
(And therefore just mempool logic)

[mattverse]

Straightforward, lgtm.