Manage RPCReturnException in proteus

35ed4aa50b16 introduced this new exception so proteus execute the returned
action when configured with trytond.

proteus/CHANGELOG

@@ -1,3 +1,4 @@
+* Manage RPCReturnException
 * Run action from button
 
 Version 6.6.0 - 2022-10-31

proteus/proteus/config.py

@@ -181,7 +181,7 @@ class _TrytondMethod(object):
         self._config = config
 
     def __call__(self, *args, **kwargs):
-        from trytond.rpc import RPC
+        from trytond.rpc import RPC, RPCReturnException
         from trytond.tools import is_instance_method
         from trytond.transaction import Transaction, TransactionError
         from trytond.worker import run_task
@@ -220,6 +220,10 @@ class _TrytondMethod(object):
                     transaction.rollback()
                     e.fix(extras)
                     continue
+                except RPCReturnException as e:
+                    transaction.rollback()
+                    transaction.tasks.clear()
+                    result = e.result()
                 transaction.commit()
             break
         while transaction.tasks: