[Bug]: `@rolldown/debug` fails to detect dynamic imports

### Description:
`@rolldown/debug` does not detect dynamic imports. However, the bundleAnalyzerPlugin in `@rolldown/experimental` detect it correctly.

### Reproduction:
https://github.com/webfansplz/rolldown-debug-issue-repro




/cc @hyf0 