Fix Filecoin.StateCall RPC

[sudo-shashank]

Summary of changes

Changes introduced in this pull request:

• Fix Filecoin.StateCall RPC and re-enable in rpc check

forest-tool api compare forest_snapshot_calibnet_2024-05-09_height_1597332.forest.car.zst --filter StateCall
| RPC Method              | Forest | Lotus |
|-------------------------|--------|-------|
| Filecoin.StateCall (27) | Valid  | Valid |

Reference issue to close (if applicable)

Contributes to #4164

Other information and links

Change checklist

• I have performed a self-review of my own code,
• I have made corresponding changes to the documentation,
• I have added tests that prove my fix is effective or that my feature works (if possible),
• I have made sure the CHANGELOG is up-to-date. All user-facing changes should be reflected in this document.