feat: add "Last Online" column to client list and modal (Closes #3402) (#3405)

* feat: persist client last online and expose API

* feat(ui): show client last online in table and info modal

* i18n: add “Last Online” across locales

* chore: format timestamps as HH:mm:ss

web/translation/translate.ar_EG.toml

@@ -50,6 +50,7 @@
 "fail" = "فشل"
 "comment" = "تعليق"
 "success" = "تم بنجاح"
+"lastOnline" = "آخر متصل"
 "getVersion" = "جيب النسخة"
 "install" = "تثبيت"
 "clients" = "عملاء"

web/translation/translate.en_US.toml

@@ -50,6 +50,7 @@
 "fail" = "Failed"
 "comment" = "Comment"
 "success" = "Successfully"
+"lastOnline" = "Last Online"
 "getVersion" = "Get Version"
 "install" = "Install"
 "clients" = "Clients"

web/translation/translate.es_ES.toml

@@ -50,6 +50,7 @@
 "fail" = "Falló"
 "comment" = "Comentario"
 "success" = "Éxito"
+"lastOnline" = "Última conexión"
 "getVersion" = "Obtener versión"
 "install" = "Instalar"
 "clients" = "Clientes"

web/translation/translate.fa_IR.toml

@@ -50,6 +50,7 @@
 "fail" = "ناموفق"
 "comment" = "توضیحات"
 "success" = "موفق"
+"lastOnline" = "آخرین فعالیت"
 "getVersion" = "دریافت نسخه"
 "install" = "نصب"
 "clients" = "کاربران"

web/translation/translate.id_ID.toml

@@ -50,6 +50,7 @@
 "fail" = "Gagal"
 "comment" = "Komentar"
 "success" = "Berhasil"
+"lastOnline" = "Terakhir online"
 "getVersion" = "Dapatkan Versi"
 "install" = "Instal"
 "clients" = "Klien"

web/translation/translate.ja_JP.toml

@@ -50,6 +50,7 @@
 "fail" = "失敗"
 "comment" = "コメント"
 "success" = "成功"
+"lastOnline" = "最終オンライン"
 "getVersion" = "バージョン取得"
 "install" = "インストール"
 "clients" = "クライアント"

web/translation/translate.pt_BR.toml

@@ -50,6 +50,7 @@
 "fail" = "Falhou"
 "comment" = "Comentário"
 "success" = "Com Sucesso"
+"lastOnline" = "Última vez online"
 "getVersion" = "Obter Versão"
 "install" = "Instalar"
 "clients" = "Clientes"

web/translation/translate.ru_RU.toml

@@ -50,6 +50,7 @@
 "fail" = "Ошибка"
 "comment" = "Комментарий"
 "success" = "Успешно"
+"lastOnline" = "Был(а) в сети"
 "getVersion" = "Узнать версию"
 "install" = "Установка"
 "clients" = "Клиенты"

web/translation/translate.tr_TR.toml

@@ -50,6 +50,7 @@
 "fail" = "Başarısız"
 "comment" = "Yorum"
 "success" = "Başarılı"
+"lastOnline" = "Son çevrimiçi"
 "getVersion" = "Sürümü Al"
 "install" = "Yükle"
 "clients" = "Müşteriler"

web/translation/translate.uk_UA.toml

@@ -50,6 +50,7 @@
 "fail" = "Помилка"
 "comment" = "Коментар"
 "success" = "Успішно"
+"lastOnline" = "Був(ла) онлайн"
 "getVersion" = "Отримати версію"
 "install" = "Встановити"
 "clients" = "Клієнти"

web/translation/translate.vi_VN.toml

@@ -50,6 +50,7 @@
 "fail" = "Thất bại"
 "comment" = "Bình luận"
 "success" = "Thành công"
+"lastOnline" = "Lần online gần nhất"
 "getVersion" = "Lấy phiên bản"
 "install" = "Cài đặt"
 "clients" = "Các khách hàng"

web/translation/translate.zh_CN.toml

@@ -50,6 +50,7 @@
 "fail" = "失败"
 "comment" = "评论"
 "success" = "成功"
+"lastOnline" = "上次在线"
 "getVersion" = "获取版本"
 "install" = "安装"
 "clients" = "客户端"

web/translation/translate.zh_TW.toml

@@ -50,6 +50,7 @@
 "fail" = "失敗"
 "comment" = "評論"
 "success" = "成功"
+"lastOnline" = "上次上線"
 "getVersion" = "獲取版本"
 "install" = "安裝"
 "clients" = "客戶端"