mrp_usability: Allow to change the destination location until 'Mark as done'

Native behavior: it is only possible to change the destination stock
location of a production order in draft state.

mrp_usability/models/mrp_production.py

@@ -3,12 +3,26 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
 
-from odoo import api, models
+from odoo import fields, models, Command
 
 
 class MrpProduction(models.Model):
     _inherit = 'mrp.production'
 
+    location_dest_id = fields.Many2one(tracking=True)
+
+    # Target: allow to modify location_dest_id until the button 'Mark as done' is pushed
+    # I didn't find a better implementation... feel free to improve if you find one
+    def _compute_move_finished_ids(self):
+        for prod in self:
+            if prod.state not in ('draft', 'done') and prod.location_dest_id:
+                vals = {'location_dest_id': prod.location_dest_id.id}
+                prod.move_finished_ids = [
+                    Command.update(m.id, vals) for m in prod.move_finished_ids
+                    if m.state != 'done'
+                    ]
+        super()._compute_move_finished_ids()
+
     # Method used by the report, inherited in this module
     # @api.model
     # def get_stock_move_sold_out_report(self, move):