fix: HMR on web/shared worker

[userquin]

Description

Fix client and overlay modules for HMR on web workers.

We need to fix using Worker/SharedWorker constructor and add a test for shared worker (worker url test included and tested with iife and es).

closes #5396

Additional context

NA

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What is the purpose of this pull request?

• Bug fix
• New Feature
• Documentation update
• Other

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• Read the Contributing Guidelines.
• Read the Pull Request Guidelines and follow the Commit Convention.
• Check that there isn't already a PR that solves the problem the same way to avoid creating a duplicate.
• Provide a description in this PR that addresses what the PR is solving, or reference the issue that it solves (e.g. fixes #123).
• Ideally, include relevant tests that fail without this PR but pass with it.

[bluwy]

I'm cleaning up some stale PRs and it seems that this isn't ready yet for quite some time. Closing for now, but feel free to re-open a new PR!

[butzemannbiber]

Anything new about web worker support?