Merge branch 'fix/translation-file-will-not-load-when-exists' into 'master'

Fix: client translations file will not load even when exists

See merge request gitlab-org/gitlab!81771

app/views/layouts/_head.html.haml

@@ -57,7 +57,7 @@
 
   = Gon::Base.render_data(nonce: content_security_policy_nonce)
 
-  = javascript_include_tag locale_path unless I18n.locale == :en
+  = render_if_exists 'layouts/header/translations'
   = webpack_bundle_tag "sentry" if Gitlab.config.sentry.enabled
   = webpack_bundle_tag 'performance_bar' if performance_bar_enabled?
 

app/views/layouts/header/_translations.html.haml

+= javascript_include_tag locale_path unless I18n.locale == :en