Adapt commit b92aaf1 for framework changes in saas-16.
That commit made Many2ManyTagsEmail widget display name_get gotten
dynamically. This allow to have 'show_email' context key working and
having the email displayed.
This commit use the new views (as of saas-16) to do the same change.
opw-801558
fixes #21812 fixes #21523
closes #21969