How to force RPC gas estimation in forge script?

[CodeSandwich]

I'm trying to run forge script on an EVM-compatible but not EVM-equialent chain with the main difference being gas metering not following the Ethereum spec. This means that forge script can't correctly estimate locally the transactions' gas limits, but forge send doing gas estimates via RPC works fine. How can forge script be forced to do RPC gas estimations? IIUC it would involve using --slow so transactions depending on earlier ones don't fail during the estimation, but that's fine, speed is a secondary concern. @zerosnacks (no need to actually tag them) mentioned forcing RPC estimation in #9723 (comment).