Merge branch 'xanf-vue3-error-handler' into 'master'

Add set_vue_error_handler  helper to unify Vue.js 2 and 3

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/125807



Merged-by: Vitaly Slobodin <vslobodin@gitlab.com>
Approved-by: Vitaly Slobodin <vslobodin@gitlab.com>
Co-authored-by: Illya <iklymov@gitlab.com>