All api calls converted to async await.

[Traceton]

Any external api calls should be converted to async await. They are mixed or basic functions currently and are not very organized.

• [x] SessionStorageApi.js checked (should already be async/await).

• [x] UserApi.js converted to async/await.

  • [x] createUser function in UserApi.js
  • [x] loginUser function in UserApi.js
  • [x] updateUser in UserApi.js
  • [x] deleteUser in UserApi.js

• [x] InventoryItemApi.js converted to async/await.

  • [x] createNewInventoryItem in InventoryItemApi.js

• [x] Any and all converted functions tested.

  • [x] createUser function in UserApi.js tested
  • [x] loginUser function in UserApi.js tested
  • [x] updateUser in UserApi.js tested
  • [x] deleteUser in UserApi.js tested
  • [x] createNewInventoryItem in InventoryItemApi.js tested

[Traceton]

All functions tested and working.