fix getAction for cases where minifier changes function names

[acedward]

Some minifiers, as esbuild, might change name functions.
e.g., sendTransaction to sendTransaction5

So client[action.name ?? name] only checks the first value and never falls back to name.

closes #2117

---

PR-Codex overview

This PR focuses on fixing the getAction function to handle cases where minifiers change function names, ensuring the correct function is called.

Detailed summary

• Updated getAction to handle cases where minifiers change function names
• Refactored function name retrieval logic for reliability

✨ Ask PR-Codex anything about this PR by commenting with /codex {your question}

[changeset-bot]

🦋 Changeset detected

Latest commit: 85045ab

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

This PR includes changesets to release 1 package

Name	Type
viem	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[vercel]

@acedward is attempting to deploy a commit to the wevm Team on Vercel.

A member of the Team first needs to authorize it.