feat(backend): enable disabling of basic authentication (#13169)

* !feat(backend): disable basic authentication by default

* align PR

* add PR number

* fix schema creation/discovery

* mask basic auth

* fix error code

* reduce diff

* adjust changelog message

* fix test (needs basic auth which is now off by default)

* switch to default on; retain warning

* update test for new default

* fix assertation

.github/workflows/qc_checks.yaml

@@ -321,6 +321,7 @@ jobs:
       INVENTREE_PYTHON_TEST_SERVER: http://127.0.0.1:12345
       INVENTREE_PYTHON_TEST_USERNAME: testuser
       INVENTREE_PYTHON_TEST_PASSWORD: testpassword
+      INVENTREE_BASIC_AUTH_ENABLED: true
       INVENTREE_SITE_URL: http://127.0.0.1:12345
       INVENTREE_DEBUG: true
       INVENTREE_LOG_LEVEL: WARNING