Use tx effective gas price when comparing with min mineable gas price…

[fab-10]

… configuration

PR description

This is a followup of #6611 and correctly use the tx effective gas price when considering if a tx willing to pay at least the min mineable gas price, this because in case of base fee market txs, even if the maxFeePerGas is higher than the minGasPrice, if the baseFee for the next block, is lower than minGasPrice, then the effective gas price, that is the baseFee + maxPriorityFeePerGas could be still lower than the minGasPrice and so the tx could not be included in a block, and so should not be kept in the prioritized layer.

Fixed Issue(s)

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