feat: schannelauthenticationenabled property

[JonasBK]

Description

Add new CertTemplate property schannelauthenticationenabled.

Motivation and Context

Ticket: BP-610

Not all EKUs that enable Kerberos auth enable Schannel auth. Therefore a property for Schannel auth.

How Has This Been Tested?

Locally with my lab.

Screenshots (if appropriate):

Types of changes

• [ ] Chore (a change that does not modify the application functionality)
• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] Documentation updates are needed, and have been made accordingly.
• [ ] I have added and/or updated tests to cover my changes.
• [x] All new and existing tests passed.
• [ ] My changes include a database migration.