Merge branch '428191-notes-helper-migrations' into 'master'

Migrate buttons in notes_helper.rb

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/134173



Merged-by: Vitaly Slobodin <vslobodin@gitlab.com>
Approved-by: Alex Pennells <apennells@gitlab.com>
Approved-by: Sascha Eggenberger <seggenberger@gitlab.com>
Approved-by: Vitaly Slobodin <vslobodin@gitlab.com>
Reviewed-by: Alex Pennells <apennells@gitlab.com>
Co-authored-by: Annabel Dunstone Gray <annabel.dunstone@gmail.com>