feat(rpc): Filecoin.StateCompute

[hanabi1224]

Summary of changes

Changes introduced in this pull request:

➜  car_db forest-tool api compare forest_snapshot_calibnet_2025-03-31_height_2536410.forest.car.zst --n-tipsets 20 --filter StateCompute
| RPC Method                 | Forest | Lotus |
|----------------------------|--------|-------|
| Filecoin.StateCompute (20) | Valid  | Valid |
| RPC Method | Forest | Lotus |
|------------|--------|-------|

and lotus-shed miner fees now works with Forest

Reference issue to close (if applicable)

Closes #5477

Other information and links

Change checklist

• I have performed a self-review of my own code,
• I have made corresponding changes to the documentation. All new code adheres to the team's documentation standards,
• 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.

[elmattic]

No ✅, no review 🚫.

[hanabi1224]

No ✅, no review 🚫.

All green now

[LesnyRumcajs]

It might make sense to add this command to the filter list, given it can be quite costly. https://docs.forest.chainsafe.io/guides/methods_filtering#public-rpc-node-recommendations

[hanabi1224]

Done.