[FIX] repair: Unable to end repair

Steps to reproduce the bug:

- Create a repair order RO for a product P1
- Create a part for a product P2 that needs a lot L
- Specify a source location for P2
- Process RO
- Click on 'END REPAIR'

Bug:

A UserError was raised saying: You need to supply a Lot/Serial number for product P2
even if a lot L was set to P2

opw:2251047

closes odoo/odoo#51797

X-original-commit: 1e3ed56332efd3f58ccd05f23c6af9cb23f1052f
Signed-off-by: Simon Goffin (sig) <sig@openerp.com>

addons/repair/models/repair.py

@@ -546,6 +546,9 @@ class Repair(models.Model):
                 # quant is created in operation.location_id.
                 move._set_quantity_done(operation.product_uom_qty)
 
+                if operation.lot_id:
+                    move.move_line_ids.lot_id = operation.lot_id
+
                 moves |= move
                 operation.write({'move_id': move.id, 'state': 'done'})
             move = Move.create({