Steps to reproduce:
- In inventory/replenishement
- edit a line (eg: prefered route) then click on reorder
- the edits are discarded

Fix:
the line is saved only when it gets unselected or manually saved
it more intuitive to also do it when a button is clicked on the line

opw-3125732

closes odoo/odoo#116065

Signed-off-by: William Henrotin (whe) <whe@odoo.com>