[16.0][IMP] mail_tracking: display internal notifications status

[vincent-hatakeyama]

Use internal notifications status when mails are not generated.

[hbrunn]

please rebase

/

[github-actions]

There hasn't been any activity on this pull request in the past 4 months, so it has been marked as stale and it will be closed automatically if no further activity occurs in the next 30 days.
If you want this PR to never become stale, please ask a PSC member to apply the "no stale" label.

[pedrobaeza]

/ocabot merge patch

Please fw-port it to upper versions.

[OCA-git-bot]

On my way to merge this fine PR!
Prepared branch 16.0-ocabot-merge-pr-1331-by-pedrobaeza-bump-patch, awaiting test results.

[OCA-git-bot]

@pedrobaeza The merge process could not be finalized, because command git push origin 16.0-ocabot-merge-pr-1331-by-pedrobaeza-bump-patch:16.0 failed with output:

To https://github.com/OCA/social
 ! [rejected]          16.0-ocabot-merge-pr-1331-by-pedrobaeza-bump-patch -> 16.0 (fetch first)
error: failed to push some refs to 'https://github.com/OCA/social'
hint: Updates were rejected because the remote contains work that you do not
hint: have locally. This is usually caused by another repository pushing to
hint: the same ref. If you want to integrate the remote changes, use
hint: 'git pull' before pushing again.
hint: See the 'Note about fast-forwards' in 'git push --help' for details.

[OCA-git-bot]

Congratulations, your PR was merged at fb34dbb. Thanks a lot for contributing to OCA. ❤️