ERP5Workflow: change setWorkflowManagedPermissionList to impact states

state_permission_roles attributes should be updated when the permission list is changed on the workflow
it also fix matrixbox edition (was crashing when permissions where added)

product/ERP5Workflow/Document/Workflow.py

@@ -1120,3 +1120,19 @@ class Workflow(IdAsReferenceMixin("", "prefix"), XMLObject):
       if state_var is not None:
         res[state_var] = status.get(state_var, initial_state)
       return res
+
+  def _setWorkflowManagedPermissionList(self, permission_list):
+    self.workflow_managed_permission = permission_list
+
+    # add/remove the added/removed workflow permission to each state
+    for state in self.objectValues(portal_type='State'):
+      state.setCellRange(sorted(permission_list),
+                         sorted(self.getManagedRoleList()),
+                         base_id='cell')
+      for permission in permission_list:
+        if permission not in state.state_permission_roles:
+          state.state_permission_roles[permission] = []
+      # remove permission from state_permission_roles dict
+      for permission in state.state_permission_roles.keys():
+        if permission not in permission_list:
+          del state.state_permission_roles[permission]