style: `forge fmt`

[frolic]

At some point, prettier/vscode stopped talking to each other and wasn't getting format-on-save anymore.

This PR updates our vscode formatting to use forge fmt (and runs it across the repo).

Two notes that might block this PR from being good to merge:

• it's tricky to add a root-level formatter for our git hooks because forge fmt uses the foundry.toml relative to where the command was run, rather than relative to the source file (see https://github.com/foundry-rs/foundry/issues/5686) but there's a workaround
• we probably should use forge fmt for codegen too and remove the ignores, but needs some deeper code changes

[changeset-bot[bot]]

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Latest commit: d1772e2731d43a86e0da98e4e15246e2abf9b962

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