feat: add landings permission section translations for role editor

src/locales/en.json

@@ -2885,6 +2885,7 @@
           "apps": "Apps",
           "email_templates": "Email templates",
           "pinned_messages": "Pinned messages",
+          "landings": "Landing pages",
           "updates": "Updates"
         },
         "permissionActions": {

src/locales/fa.json

@@ -2618,6 +2618,7 @@
           "apps": "برنامه‌ها",
           "email_templates": "قالب‌های ایمیل",
           "pinned_messages": "پیام‌های سنجاق‌شده",
+          "landings": "صفحات فرود",
           "updates": "به‌روزرسانی‌ها"
         },
         "permissionActions": {

src/locales/ru.json

@@ -3429,6 +3429,7 @@
           "apps": "Приложения",
           "email_templates": "Шаблоны писем",
           "pinned_messages": "Закреплённые сообщения",
+          "landings": "Лендинги",
           "updates": "Обновления"
         },
         "permissionActions": {

src/locales/zh.json

@@ -2617,6 +2617,7 @@
           "apps": "应用",
           "email_templates": "邮件模板",
           "pinned_messages": "置顶消息",
+          "landings": "落地页",
           "updates": "更新"
         },
         "permissionActions": {