StackFood Multi Restaurant - Food Ordering Delivery Man App 8.8

- Made compatible with main system version 7.0
- Fixed some small issues
- Made compatible with Flutter version 3.10.5

- Made the Flutter apps compatible with Flutter null-safety
- Price showing issue solved in RTL
- Fixed some other small issues
- All apps compatible with Flutter version 3.7.10

- Compatible with main system version 6.2
- Compatible with flutter version 3.7.7