JavaScript source maps fail to load

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.3.5 CE GA6, 7.3.10 DXP GA1, Master
• Component/s: AMD Module Loader
• Labels: None
• Fix Priority: 3
• Git Pull Request: https://github.com/liferay-frontend/liferay-portal/pull/316

After https://github.com/brianchandotcom/liferay-portal/pull/93087 JavaScript source maps started to fail to load.

Steps to Reproduce:

1. Start portal
2. Got to the URL: http://localhost:8080/o/js/resolved-module/frontend-js-spa-web@4.0.16/liferay/app/App.es.js.map

Expected Result:

The file served by the portal is a [source map|https://sourcemaps.info/spec.html]. 

Actual Result:

The file served by the portal is the JavaScript source code.