fix(turbopack): Use different title for non-parsing issues (#7421)
### Description
We shared a `Handler` instance, and thus, we used `Parsing ecmascript source code failed` even for non-parsing issues.
### Testing Instructions
next.js counterpart: https://github.com/vercel/next.js/pull/62259
Closes PACK-2538
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Co-authored-by: Tobias Koppers <tobias.koppers@googlemail.com>