Add a way to validate pickings in the stock populate,
used to fill a historic of validated picking. it allows to
measure the performance of `_action_done`.
task-2424248
This commit adds some value on incoming stock moves created by the
`populate` generation. This makes transfers more realistic and allow
creating stock valuation if accounting is installed as well.
closesodoo/odoo#63139
Signed-off-by: William Henrotin <Whenrow@users.noreply.github.com>