Restores Allow guest+ users to pull packages from private projects

Mayra Cabrerarequested to merge
336622-breaking-change-allow-guest-users-to-pull-packages-from-private-projects-on-gitlab-com-2 into master

What does this MR do and why?

Restores !177267 (merged). The MR was reverted during an investigation of gstg-cny failures gitlab-org/release/tasks#16364 (closed). The failures were associated with the runner release incident and not with the merge request gitlab-com/gl-infra/production#18985 (closed)

This merge request restores !177267 (merged)

Dzmitry Meshcharakou 12459192-dmeshcharakou@users.noreply.gitlab.com

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