Moved the sort_post_txn_records utility and the logic to create the form to TransactionForm in the accounting application.

accounting/views.py

@@ -823,11 +823,7 @@ class TransactionFormView(FormView):
 
     def make_form_from_post(self, post: Dict[str, str]) -> TransactionForm:
         """Creates and returns the form from the POST data."""
-        utils.sort_post_txn_records(post)
-        form = TransactionForm(post)
-        form.txn_type = self.txn_type
-        form.transaction = self.object
-        return form
+        return TransactionForm.from_post(post, self.txn_type, self.object)
 
     def make_form_from_model(self, obj: Transaction) -> TransactionForm:
         """Creates and returns the form from a data model."""