This update fixes a setup issue in the Subscriptions app by aligning its initialization method with the expected system environment. It helps prevent installation or upgrade problems related to subscription functionality, ensuring smoother use for businesses managing recurring sales.

Fix init method to use env instead of cr
(issue since : odoo@b4a7996e967621aa090dc80346e6c3ef1d032dcf )

The method is called by `getattr(py_module, pre_init)(env)` in `load_module_graph`