fix(vikon): use api_domain for OAuth authorize URL (not auth_domain)

Original vikon_core used db-nica.ru for /oauth2/authorize, not auth.db-nica.ru.
This was causing 'Client authentication failed' error.

app/Containers/VikonIntegration/UI/WEB/Controllers/VikonController.php

@@ -34,7 +34,7 @@ class VikonController extends Controller
             'is_authenticated' => $isAuth,
             'current_version' => config('vikon.current_version'),
             'modules' => config('vikon.modules'),
-            'vikon_auth_domain' => config('vikon.auth_domain'),
+            'vikon_api_domain' => config('vikon.api_domain'),
             'vikon_client_id' => config('vikon.client_id'),
         ]);
     }

resources/js/Pages/Dashboard/VikonUpdates/Index.vue

@@ -126,7 +126,7 @@ const props = defineProps({
   is_authenticated: Boolean,
   current_version: String,
   modules: Object,
-  vikon_auth_domain: String,
+  vikon_api_domain: String,
   vikon_client_id: String,
 });
 
@@ -142,7 +142,7 @@ const accessInfo = ref({ has_access: false, error: null });
 
 const authUrl = computed(() => {
   const redirect = encodeURIComponent(route('dashboard.vikon-updates.index'));
-  return `${props.vikon_auth_domain}oauth2/authorize?client_id=${props.vikon_client_id}&redirect_uri=${redirect}&response_type=code`;
+  return `${props.vikon_api_domain}oauth2/authorize?client_id=${props.vikon_client_id}&redirect_uri=${redirect}&response_type=code`;
 });
 
 onMounted(() => {