Fix: Allow multiple markings for transition

config/packages/workflow.yaml

@@ -23,7 +23,9 @@ framework:
                     from: checking_contract
                     to: confirmed
                 reject_contract:
-                    from: checking_contract
+                    from:
+                        - confirmed
+                        - checking_contract
                     to: new
                 upload_invoice:
                     from: confirmed
@@ -32,7 +34,9 @@ framework:
                     from: checking_invoice
                     to: paid
                 reject_invoice:
-                    from: checking_invoice
+                    from:
+                        - paid
+                        - checking_invoice
                     to: confirmed
                 complete:
                     from: confirmed