[PM-10319] - Revoke Non Complaint Users for 2FA and Single Org Policy Enablement (#5037)

- Revoking users when enabling single org and 2fa policies.
- Updated emails sent when users are revoked via 2FA or Single Organization policy enablement

Co-authored-by: Matt Bishop <mbishop@bitwarden.com>
Co-authored-by: Rui Tomé <108268980+r-tome@users.noreply.github.com>

src/Core/AdminConsole/Models/Data/IActingUser.cs

@@ -0,0 +1,10 @@
+using Bit.Core.Enums;
+
+namespace Bit.Core.AdminConsole.Models.Data;
+
+public interface IActingUser
+{
+    Guid? UserId { get; }
+    bool IsOrganizationOwnerOrProvider { get; }
+    EventSystemUser? SystemUserType { get; }
+}