First name can be a space

[IElgohary]

1. Severity:
Low
2. Reported by:
Islam Elgohary
3. Description:
when editing profile, first name can be a space character
4. Steps to reproduce the issue:

1. login
2. goto edit profile
3. enter space in first name and submit
4. success message

5. Expected result:
name cannot be a space. error message should appear