Toggle use of custom policy for vault provider

[lmjelstad]

Feature description

Separate booleans to decide if vault provider should be used and if a custom vault policy should be used for the provider

Why is it needed?

User feature request to enable use of the vault provider without custom vault policy

Suggestion(s)/solution(s) [Optional]

Definition of done

Checklist (after created issue)

• [x] Added label(s)
• [ ] Added to project
• [ ] Added to milestone

[lmjelstad]

No longer required by user