Migrate Create: Source Code Experience Apps to Vue 3
## FF rollout and status update
https://gitlab.com/gitlab-org/gitlab/-/work_items/618747
## Migration dashboard
https://vue3-migration-dashboard-0afc95.gitlab.io/?department=Core+DevOps
## Technical exploration
https://gitlab.com/groups/gitlab-org/-/work_items/23084#note_3711643337
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