fix: apply source maps for external module stack trace

[hi-ogawa]

Description

Resolves #9003
Closes #9047 (supersedes)

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commit: 09c3955

[hi-ogawa]

This looks like some mix up. Realized you fixed up on Vite but not here vitejs/vite#20959

[hi-ogawa]

I tested minimized preact case and source map is off. It looks like the initial stack trace is already different between Node and Vitest https://github.com/hi-ogawa/reproductions/tree/main/vitest-9003-source-map-external