fix(rolldown): MaybeWeakMap not actually using the WeakMap#370
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Description
This PR fixed a bug in
packages/rolldown/src/app/utils/cache.tswhereMaybeWeakMapwasn't actually using theWeakMap, all objects were set to a regularMap.Linked Issues
Additional context
Discovering this bug was accidental, but the PR fixed it nonetheless. A few additional test cases were manually written then completed using LLM.