BUG #16725: PG Admin 4 not loading due to Mime mistmatch

The following bug has been logged on the website:

Bug reference:      16725
Logged by:          Jorge Mayorga
Email address:      mayorvlf@gmail.com
PostgreSQL version: 13.1
Operating system:   Windows 10
Description:

Refused to execute script from
'http://127.0.0.1:53416/static/vendor/require/require.min.js?ver=42800'
because its MIME type ('text/plain') is not executable, and strict MIME type
checking is enabled.
(index):39 Uncaught ReferenceError: require is not defined
    at (index):39
(index):1 Refused to execute script from
'http://127.0.0.1:53416/static/js/generated/vendor.main.js?ver=42800'
because its MIME type ('text/plain') is not executable, and strict MIME type
checking is enabled.
(index):1 Refused to execute script from
'http://127.0.0.1:53416/static/js/generated/vendor.others.js?ver=42800'
because its MIME type ('text/plain') is not executable, and strict MIME type
checking is enabled.
(index):1 Refused to execute script from
'http://127.0.0.1:53416/static/js/generated/pgadmin_commons.js?ver=42800'
because its MIME type ('text/plain') is not executable, and strict MIME type
checking is enabled.
(index):128 ReferenceError: require is not defined
    at (index):118
(index):136 Uncaught ReferenceError: require is not defined
    at (index):136