[FIX] project_todo: change model.actionService references

the default model 'useAction' service is now named 'action' no longer 'actionService'
Changed the reference where needed

closes odoo/odoo#131452

Related: odoo/enterprise#45583
Signed-off-by: Xavier Bol (xbo) <xbo@odoo.com>

addons/project_todo/static/src/views/todo_form/todo_form_controller.js

@@ -31,7 +31,7 @@ export class TodoFormController extends FormController {
             filteredActions.push({
                 description: this.env._t("Convert to Task"),
                 callback: () => {
-                    this.model.actionService.doAction(
+                    this.model.action.doAction(
                         "project_todo.project_task_action_convert_todo_to_task",
                         {
                             props: {