Odoo Release Updates

[IMP] pos_restaurant: add different color from category on products

[FIX] point_of_sale: broken local cascade deletion

[IMP] pos_restaurant: new table number based on the max existing on floor screen

[FIX] stock, website_sale_comparison: demo data changes

[IMP] loyalty, *: fine-tune onboarding sample

[FIX] point_of_sale, pos_*: ensure local records are kept when syncing

[FIX] point_of_sale: small fixes for blackbox integration

[REF] web_tour: lazy load hoot-dom for tours

[FIX] point_of_sale: fix validate button should disabling on mobile

[IMP] point_of_sale, pos_*: improve self order table management