delete a Transaction when entering a wrong index

[nus-pe-bot]

A transaction is deleted when a wrong index is entered with many 0 before the number:

---

_{[original: nus-cs2113-AY2223S1/pe-interim#771] [original labels: severity.Low type.FunctionalityBug]}

[chinhan99]

Team's Response

It is a permitted perimeter as putting zeros in front of the actual number will only reduce the string parameter to the actual integer value during string-to-integer conversion, which is still "3" in this example.

Duplicate status (if any):

--