fix(cherry-pick) : selector getKnownMethodData should return empty object if user has opted out for using 4Byte Resolution

[jpuri]

Description

If user has toggled off Decode smart contracts setting he is not able to approve ERC20. This is regression introduced recently.

Related issues

Fixes: #27188

Manual testing steps

1. Toggle off setting "Decode smart contracts"
2. Try to approve an ERC 20
3. It should not throw error

Screenshots/Recordings

Screen.Recording.2024-09-17.at.2.20.17.PM.mov

Pre-merge author checklist

• I've followed MetaMask Contributor Docs and MetaMask Extension Coding Standards.
• I've completed the PR template to the best of my ability
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.