High-verbosity Forge tests run with --offline still make network requests to Etherscan and OpenChain

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Component

Forge

Have you ensured that all of these are up to date?

• Foundry
• Foundryup

What version of Foundry are you on?

forge 0.2.0 (293fad7 2024-01-14T00:19:24.272194000Z)

What command(s) is the bug in?

forge test

Operating System

macOS (Apple Silicon)

Describe the bug

See #6971 and #6972.

The --offline flag seems to only use the rpc cache for networked tests, but still makes network requests for stack trace parsing in higher verbosity runs, leading to slow/hanging tests in slow/no-internet situations.