`add` allows adding of likely similar people

[nus-pe-bot]

Steps to reproduce

1. Enter add n/John Doe p/98765432 e/johnd@example.com $/100 r/bartender s/fulltime r/kitchen t/friends t/owesMoney
2. Enter add n/John Doe p/98765432 e/johnd@example.com $/100 r/bartender s/fulltime r/kitchen t/friends t/owesMoney

Expected

-It is likely that "John Doe" is the same as "John Doe". Similar to how case sensitivity is implemented the software should detect that they are likely to be duplicates. A user could have pressed space twice by accident.

Actual

• Both applicants are added without issue.

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_{[original: nus-cs2103-AY2122S1/pe-interim#2310] [original labels: severity.Low type.FeatureFlaw]}

[Gabau]

Team's Response

It is not within the product requirements to catch such errorneous input by the user. We allow similar names to mark to people with the same name, which allows for a restaurant to use their own way to signify that the two staff with different names are different. In this case, two spaces may be used by the restaurant to do so. Additionaly, what if it was the intent to have a name with two spaces? As the name is just a means for the restaurant to identify the staff in a human-friendly manner, there appears to be no benefit from removing the ability to have two similar names.

Duplicate status (if any):

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