Update seasonals settings to use namespaced localStorage keys and enhance field description for client-side toggle

Jellyfin.Plugin.Seasonals/Web/seasonals.js

@@ -230,12 +230,12 @@ initializeTheme();
 // User UI Seasonal Settings
 
 function getSavedSetting(key, defaultValue) {
-    const value = localStorage.getItem(key);
+    const value = localStorage.getItem(`seasonals-${key}`);
     return value !== null ? value : defaultValue;
 }
 
 function setSavedSetting(key, value) {
-    localStorage.setItem(key, value);
+    localStorage.setItem(`seasonals-${key}`, value);
 }
 
 function createSettingsIcon() {