Move/rename _handle_ldap_admin_status

Grokking what this function did from its name wasn't all too easy.
Also, given all the other methods of the LdapBackend class, it fit
better as an extra method of that class.

Additionally, added a more explicit docstring.

Author: lunkwill42

python/nav/web/auth/ldap_auth_backend.py

@@ -112,24 +112,29 @@ def _create_nav_account(ldap_user: "LDAPUser", password: str) -> Account:
         nav_account.save()
         return nav_account
 
-    @staticmethod
+    @classmethod
     def _sync_nav_account(
-        ldap_user: "LDAPUser", nav_user: Account, password: str
+        cls, ldap_user: "LDAPUser", nav_user: Account, password: str
     ) -> None:
         """Ensures the necessary local account details are synced from LDAP user
         details.
         """
         nav_user.set_password(password)
         nav_user.save()
-        _handle_ldap_admin_status(ldap_user, nav_user)
-
+        cls._sync_nav_account_admin_privileges_from_ldap(ldap_user, nav_user)
 
-def _handle_ldap_admin_status(ldap_user: "LDAPUser", nav_account: Account) -> None:
-    is_admin = ldap_user.is_admin()
-    # Only modify admin status if an entitlement is configured in webfront.conf
-    if is_admin is not None:
-        admin_group = AccountGroup.objects.get(id=AccountGroup.ADMIN_GROUP)
-        if is_admin:
-            nav_account.groups.add(admin_group)
-        else:
-            nav_account.groups.remove(admin_group)
+    @staticmethod
+    def _sync_nav_account_admin_privileges_from_ldap(
+        ldap_user: "LDAPUser", nav_account: Account
+    ) -> None:
+        """Synchronizes the admin privileges of a given NAV account based on LDAP
+        configuration parameters and the LDAP user object entitlements.
+        """
+        is_admin = ldap_user.is_admin()
+        # Only modify admin status if an entitlement is configured in webfront.conf
+        if is_admin is not None:
+            admin_group = AccountGroup.objects.get(id=AccountGroup.ADMIN_GROUP)
+            if is_admin:
+                nav_account.groups.add(admin_group)
+            else:
+                nav_account.groups.remove(admin_group)