MT#58688 Expose peer_auth_registrar_server to usr_pref

Expose peer_auth_registrar_server to usr_pref to align
the subscriber remote authentication to the peering
authentication.

Change-Id: Ib65b9b40b70dc9eb122411e27793c1f6ecb8dfc5

db_scripts/diff/15789.down

@@ -0,0 +1,7 @@
+use provisioning;
+set autocommit=0;
+
+# disable on subscribers's preferences
+UPDATE voip_preferences SET usr_pref = 0 WHERE attribute = 'peer_auth_registrar_server';
+
+COMMIT;

db_scripts/diff/15789.up

@@ -0,0 +1,7 @@
+use provisioning;
+set autocommit=0;
+
+# enable on subscribers's preferences
+UPDATE voip_preferences SET usr_pref = 1 WHERE attribute = 'peer_auth_registrar_server';
+
+COMMIT;