Fixing CI/CD import when user is not authenticated

What does this MR do and why?

This fixes the bug where when a user clicks on "External CI/CD Repository" and has to re-authenticate; the import does not set-up the integrations.

This is because the url param ci_cd_only gets lost and the webpage does not know it originated from from the "External Ci/Cd" action

References

Screenshots or screen recordings

Before	After

How to set up and validate locally

1. Follow the steps in: #287615 (closed) and the project should be imported successfully

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Related to #287615 (closed) ; Also related to #455603 (closed)