Fix dynamic values in statement reports

reports/account_statement.py

@@ -31,10 +31,10 @@
         credit_sum = 0.0
         balance_sum = 0.0
 
-        for doc in docids:
-            debit_sum += doc.debit
-            credit_sum += doc.credit
-            balance_sum += doc.reporting_balance
+        for aml in self.env["account.move.line"].browse(docids):
+            debit_sum += aml.debit
+            credit_sum += aml.credit
+            balance_sum += aml.reporting_balance
 
         return {
             "debit_sum": debit_sum,