Missing email from BCSC - Error Message

**User Story**
As a supporting user or a student, if my email does not come through from BCSC I need an error message that provides more information.

**Acceptance Criteria**
- [ ] If a mandatory field is missing on student profile creation (BCSC):
- [ ] If a mandatory field is missing on the supporting user profile (BCSC):
- [ ] Ensure the Last Name, DOB, and E-mail fields are mandatory and will display a required message if missing.

**Additional Context**
If the email is not verified in the BC Services Card app it will not be received through keycloak and into SIMS.
In a recent case with a supporting user, it allows them to complete the whole form and only gives a generic "Unexpected" error message on submission. This is hard for users to self-help and various support staff (ministry and institutions) to be able to diagnose.