feat(users): Add support for a user to see only one file diff per page

mentioned in commit 5067f7ab

mentioned in merge request gitlab-com/gl-infra/woodhouse!738

mentioned in merge request hojerdev/git-sync!72

mentioned in merge request gitlab-org/release-tools!4633

mentioned in merge request ydkn/gitlab-runner-cleanup!46

mentioned in merge request schober-server/kubernetes/images/gitlab-token-refresher!37

mentioned in merge request fforster/epic-update!44 (merged)

mentioned in merge request fforster/gitlab-mcp!211 (merged)

mentioned in merge request gitlab-com/gl-infra/autolabels!137 (merged)

mentioned in merge request gitlab-com/gl-infra/ringctl!405

mentioned in merge request gitlab-com/gl-infra/platform/runway/runwayctl!1412 (merged)

mentioned in merge request sickit/token-operator!40

mentioned in merge request gitlab-org/cli!2607

mentioned in merge request gitlab-org/terraform-provider-gitlab!2815 (merged)

mentioned in merge request gitlab-com/gl-infra/oncall-robot-assistant!110