WC-AA: Add workaround to support odd values on sendTransaction

[MatiNavCrossmint]

Description

/**

• We need to support odd value and data fields in a tx, as that data comes from WC
• ZeroDev implements hexlify, but doesn't support to send an odd string in value or data fields
• so we need to make the hexlify fix manually when sending a transaction.
• That fix can be found here:
• ethers-io/ethers.js@a12030a#diff-047e7ebfdbd5c41e762cda03593bd15ed8b3121dece67262729dfcbde7040818R221
• And more context on this issue:
• v5 hex data is odd-length ethers-io/ethers.js#614
• Applying to it hexValue is used as a workaround on Crossbit, but doesn't cover all the cases (i.e. 0x71afd498d0000).
• This function is the same as hexValue but without hexStripZeros, which is what makes it to not work.
  */

Test plan

Described in this PR: https://github.com/Paella-Labs/crossbit-main/pull/11826

• Swap through Uniswap

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Latest commit: 9f695ba

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[afeight]

nice!