fix: BED-6026 adding the domainSid to _unresolvablePrincipals cache to prevent repeated resolving

[ktstrader]

Description

SH tries to repeatedly resolve unresolvable SIDs from a non-domain-joined Windows machine.

Motivation and Context

https://specterops.atlassian.net/browse/BED-6026
#203

How Has This Been Tested?

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)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

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