[Policy] Personal Ownership (#1013)

* Initial commit of disable personal vault policy

* Added new sproc // updated policy check (was missing conditionals)

* Updated DeMorgan's law logic

src/Core/Enums/PolicyType.cs

@@ -7,5 +7,6 @@
         PasswordGenerator = 2,
         SingleOrg = 3,
         RequireSso = 4,
+        PersonalOwnership = 5,
     }
 }