"Select Category" is being accepted as the category

[TimPin28]

Summary
When adding a cheque expense, Clicking on the option "Select Category" would work and it worked. The "Select Category" option shouldn't be accepted.

Steps to Produce:

1. Go to View Cheques Screen:
2. Click on Add
3. Input January 1, 2023 for the date, 1500 for the Amount, Pag-asa QC for the branch, Select Category for the category and Maynilad for the account
4. Click Add Cheque

Expected Results:
There should be an input validation stating that the input fields are missing.

Actual Results:
There was no input validation.

See 26-AddCheque Iteration 1-8 for more details