[FIX] mrp: The start date of a manufacturing order is never set.

Issues
------
All manufacturing orders are not having a start date

This commit
-----------
- Fix not updating start date on manufacturing orders.

X-original-commit: 2e5da1130f4a7056f746a4cce6ba75bf699dbe62
Part-of: odoo/odoo#143850

addons/mrp/models/mrp_workorder.py

@@ -591,6 +591,11 @@ class MrpWorkorder(models.Model):
             if wo.state in ('done', 'cancel'):
                 continue
 
+            if wo.production_id.state != 'progress':
+                wo.production_id.write({
+                    'date_start': fields.Datetime.now()
+                })
+
             if wo.product_tracking == 'serial' and wo.qty_producing == 0:
                 wo.qty_producing = 1.0
             elif wo.qty_producing == 0:
@@ -601,10 +606,6 @@ class MrpWorkorder(models.Model):
                     wo._prepare_timeline_vals(wo.duration, fields.Datetime.now())
                 )
 
-            if wo.production_id.state != 'progress':
-                wo.production_id.write({
-                    'date_start': fields.Datetime.now()
-                })
             if wo.state == 'progress':
                 continue
             date_start = fields.Datetime.now()