[IMP] partner_statement: add Detailed Activity report

partner_statement/wizard/outstanding_statement_wizard.py

@@ -11,6 +11,15 @@ class OutstandingStatementWizard(models.TransientModel):
     _inherit = "statement.common.wizard"
     _description = "Outstanding Statement Wizard"
 
+    def _prepare_statement(self):
+        res = super()._prepare_statement()
+        res.update(
+            {
+                "is_outstanding": True,
+            }
+        )
+        return res
+
     def _print_report(self, report_type):
         self.ensure_one()
         data = self._prepare_statement()