[PE-D][Tester B] Bug for name addition

[nus-pe-bot]

Steps to reproduce

add n/Patrick O'Brian w/o p/98765432 e/johnd@example.com a/John street, block 123, #1-01
Expected
Name should be able to be added as some names have special characters in them

Actual
Error message saying I am not allowed to add a person with that name

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Labels: type.FunctionalityBug severity.Low
original: Tsenrae/ped#6