Merge branch '441150-vue3-migration-editor_component_spec' into 'master'

Removes direct data manipulation from editor_component_spec

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/144272



Merged-by: Lee Tickett <ltickett@gitlab.com>
Approved-by: Savas Vedova <svedova@gitlab.com>
Co-authored-by: Artur Fedorov <afedorov@gitlab.com>