[PE-D][Tester A] Dish not recognised when starting the app again

[nus-pe-bot]

The app is unable to process some dishes.

For example:

• Add a new dish called "McChicken Burger" for the price of 100cents, and no ingredients . Exit the application to save the dishes.

• Starting the app again, the dish is no longer in the application as seen here :

---

Labels: severity.High type.FunctionalityBug original: Ansenn/ped#11

[Zeno-Zr]

Bug Fixes for Dish 68cceee0b4aadb197997405eca9db0ca0442dfa3