Start with 'demo' data is important for good onboarding. But once we use the module in production, we don't want to reset price with default one on each upgrade. closes odoo/odoo#94218 X-original-commit: 03caf3eab8e5b612d1dbcad1b7e1e26212e9f53d Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>