🍔 Realistic Fast Food - Create your unique burger

BUG FIXES

1. Fix potential problem with stripweapons
2. Fix some potential crash
3. Fix lua error

AFFECTED FILES

1. lua/entities/rfs_burger/init.lua
2. lua/entities/rfs_friesbag/init.lua
3. lua/entities/rfs_grill/cl_init.lua
4. lua/entities/rfs_sodacup/init.lua
5. lua/realistic_fastfood/client/cl_cooking.lua
6. lua/realistic_fastfood/client/cl_main.lua
7. lua/realistic_fastfood/server/sv_functions.lua
8. lua/weapons/rfs_cup/shared.lua
9. lua/weapons/rfs_fries/shared.lua
10. lua/weapons/rfs_hand_burger/shared.lua