fix: Ensure PWA manifest path is not rewritten

[jeromelaban]

@mergifyio backport release/stable/8.0

[mergify[bot]]

backport release/stable/8.0

✅ Backports have been created

* [#874 fix: Ensure PWA manifest path is not rewritten (backport #873)](https://github.com/unoplatform/Uno.Wasm.Bootstrap/pull/874) has been created for branch `release/stable/8.0`

[github-actions[bot]]

Azure Static Web Apps: Your stage site is ready! Visit it here: https://white-river-0087b630f-873.eastus2.1.azurestaticapps.net

[github-actions[bot]]

Azure Static Web Apps: Your stage site is ready! Visit it here: https://white-river-0087b630f-873.eastus2.1.azurestaticapps.net