Make the items and canteens unavailable during Sundays regardless of the predefined timings.

[jashwanth176]

Make the items and canteens unavailable during Sundays regardless of the predefined timings in the frontend.

Will need to update :

1. canteens page
2. canteen/[slug]
3. category/[slug]
4. search-bar component in the homepage
5. search page

Test everything properly and share screenshots in your PR.