model: Add final object_type field on metadata related model objects

To avoid inconsistencies with our other object models

This also fixes current storage build failure

• [1] https://forge.softwareheritage.org/harbormaster/unit/view/744333/

• [2] https://jenkins.softwareheritage.org/job/DSTO/job/tests/1530/console

@vlorentz didn't you open one diff about this (I don't find it)?

Test Plan

tox

---

Migrated from D3727 (view on Phabricator)

Build is green

Patch application report for D3727 (id=13129)

Rebasing onto 37cdd849...

Current branch diff-target is up to date.

Changes applied before test

commit 09dcc04a4c38b8d3f46ece7028d5a7fc4293eb99
Author: Antoine R. Dumont (@ardumont) <ardumont@softwareheritage.org>
Date:   Thu Aug 6 19:00:21 2020 +0200

    model: Add final object_type field on metadata related model objects

See https://jenkins.softwareheritage.org/job/DMOD/job/tests-on-diff/127/ for more details.

WTF? I already did that??

mentioned in merge request swh-storage!886 (closed)

Oh damn... I tagged it as v0.6.1 (and pushed the tag), but forgot to push to master.........

Merge request was accepted

!130 (closed)

Merge request was merged

closed

approved this merge request