Fix 500 error when viewing explore/catalog with anonymous user
What does this MR do and why?
Currently when you visit https://gitlab.com/explore/catalog with an unauthenticated user (i.e. not logged in), a 500 internal server error is shown. However, the page should be visible to public users per #436642 (comment 1708816294).
This error occurs because the tracking event namespace source (current_user.namespace) is unable to resolve when current_user is nil. This MR fixes this bug by adding a condition to only track the event when the user is logged in. (Note that we're currently only tracking events for authenticated users.)
Resolves #436642 (closed).
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Screenshots or screen recordings
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How to set up and validate locally
- Run your gdk and go to http://gdk.test:3000/explore/catalog with a signed-out user. The page should render without errors. (Note: You can open an Incognito window and navigate to http://gdk.test:3000/explore/catalog to test this.)
Related to #436642 (closed)