Commit 324db18dc9d5774d714 introduced the date formatting on the
traceability report. A side effect is that the line sorting is done on
the formatted value, leading to lines not appearing in chronological
order.
We format the line after sorting.
opw-2243432
closesodoo/odoo#52497
X-original-commit: 52e04dc3362830874a9f868d8e35a3da441320d7
Signed-off-by: Nicolas Martinelli (nim) <nim@odoo.com>