[FIX] mrp: allow override for operation cost in MO Overview

Since employees can be assigned directly to a workorder, their hourly
cost must be added to the operations cost in the Overview.

Those changes allow further override in odoo/enterprise#40953

closes odoo/odoo#123551

X-original-commit: 8802907637b5d862aaa98a1828d29bc7890c53e3
Related: odoo/enterprise#41893
Signed-off-by: William Henrotin (whe) <whe@odoo.com>

addons/mrp/models/mrp_workorder.py

@@ -886,3 +886,9 @@ class MrpWorkorder(models.Model):
     def action_mass_pause(self):
         for wo in self:
             wo.button_pending()
+
+    def _compute_expected_operation_cost(self):
+        return (self.duration_expected / 60.0) * self.workcenter_id.costs_hour
+
+    def _compute_current_operation_cost(self):
+        return (self.get_duration() / 60.0) * self.workcenter_id.costs_hour

addons/mrp/report/mrp_report_mo_overview.py

@@ -124,8 +124,8 @@ class ReportMoOverview(models.AbstractModel):
         total_current_cost = 0.0
         for index, workorder in enumerate(production.workorder_ids):
             wo_duration = workorder.duration + workorder.get_working_duration()  # Add duration of ongoing work sessions.
-            expected_cost = (workorder.duration_expected / 60.0) * workorder.workcenter_id.costs_hour
-            current_cost = (wo_duration / 60.0) * workorder.workcenter_id.costs_hour
+            expected_cost = workorder._compute_expected_operation_cost()
+            current_cost = workorder._compute_current_operation_cost()
             operations.append({
                 'level': level,
                 'index': f"{current_index}W{index}",