Add check that SyncPlay plugin is enabled

src/scripts/libraryMenu.js

@@ -9,6 +9,7 @@ import viewManager from '../components/viewManager/viewManager';
 import { appRouter } from '../components/appRouter';
 import { appHost } from '../components/apphost';
 import { playbackManager } from '../components/playback/playbackmanager';
+import { pluginManager } from '../components/pluginManager';
 import groupSelectionMenu from '../plugins/syncPlay/ui/groupSelectionMenu';
 import browser from './browser';
 import globalize from './globalize';
@@ -154,8 +155,14 @@ import '../assets/css/flexstyles.scss';
 
             const policy = user.Policy ? user.Policy : user.localUser.Policy;
 
-            const apiClient = getCurrentApiClient();
-            if (headerSyncButton && policy?.SyncPlayAccess !== 'None' && apiClient.isMinServerVersion('10.6.0')) {
+            if (
+                // Button is present
+                headerSyncButton
+                // SyncPlay plugin is loaded
+                && pluginManager.plugins.filter(plugin => plugin.id === 'syncplay').length > 0
+                // SyncPlay enabled for user
+                && policy?.SyncPlayAccess !== 'None'
+            ) {
                 headerSyncButton.classList.remove('hide');
             }
         } else {