Import odoo submodules required by odoo 19

[trik]

fix #88

[simahawk]

@trik is this compatible w/ older odoo versions? Compared to #89

[trik]

@trik is this compatible w/ older odoo versions? Compared to #89

it's just a submodule import, so i guess it won't affect older versions, i tested on 18.0, 17.0, 16.0 and it's working good..
the first import from odoo does the same in previous versions

https://github.com/odoo/odoo/blob/cc0060e889603eb2e47fa44a8a22a70d7d784185/odoo/__init__.py#L117
https://github.com/odoo/odoo/blob/3a28e5b0adbb36bdb1155a6854cdfbe4e7f9b187/odoo/__init__.py#L139
https://github.com/odoo/odoo/blob/8e45cbd08d8be3accaed8f2febc8ce8d7489cedf/odoo/__init__.py#L139
https://github.com/odoo/odoo/blob/592df9f8ac41feb09f9405d352cd3ccffdf65b68/odoo/__init__.py#L119

but the question is, how older? cause pytest-odoo is not working for version 14.0 for example