Description of problem:

Extensions in the navbar is not getting translated for all locales, even though translation is present in the JSON files.
https://gcsweb-ci.apps.ci.l2s4.p1.openshiftapps.com/gcs/test-platform-results/pr-logs/pull/redhat-developer_rhdh/4315/pull-ci-redhat-developer-rhdh-main-e2e-ocp-helm-nightly/2028442623668129792/artifacts/e2e-ocp-helm-nightly/redhat-developer-rhdh-ocp-helm-nightly/artifacts/showcase-localization-ja/index.html#?q=s%3Afailed&testId=48f22a2b6e0772f0db83-5a14328bae913e7621c5

The tests are skipped and marked as TODO with Jira ID. Please re-enable these tests with the required changes when the bug is fixed.

Prerequisites (if any, like setup, operators/versions):

Steps to Reproduce

 # Deploy RHDH instance with i18n configured to use any other language
 # Check the buttons in the navbar

Actual results:

Extensions in the navbar is in English

Expected results:

Extensions in the navbar should be translated

Reproducibility (Always/Intermittent/Only Once):

Always

Build Details:

1.9, main

Additional info (Such as Logs, Screenshots, etc):