Fix hardhat-ledger in some chains

[daveroga]

• Because this PR includes a bug fix, relevant tests have been included.
• Because this PR includes a new feature, the change was previously discussed on an Issue or with someone from the team.
• I didn't do anything of this.

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Fixes issues: #5785 , #5786

After fixing these issues with this code, I'm able to deploy with Ledger to networks that weren't supported before like Polygon zkEVM.

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Name	Status	Preview	Comments	Updated (UTC)
hardhat	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 24, 2025 11:21am