Added stateOverride to estimateGas action

[conwayconstar]

This PR adds stateOverride to estimateGas action as discussed here #2234

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PR-Codex overview

The focus of this PR is to implement the stateOverride feature on the estimateGas action in the codebase.

Detailed summary

• Added stateOverride parameter to estimateGas action
• Updated WalletRpcSchema type in eip1193.ts
• Added stateOverride handling in estimateGas function
• Imported parseStateOverride and StateOverride types

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[changeset-bot]

🦋 Changeset detected

Latest commit: e62b65b

The changes in this PR will be included in the next version bump.

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[jxom]

Thanks! Superseded by #2275. Your commits are preserved.