i18n: add missing translation keys for appstore, nodeadm, common, and scripts

- appstore.golden.pick_server_hint (EN + RU)
- nodeadm: certs, syslog, tasks, system, tasks_hint, task_start, task_type,
  task_id, task_user, task_running, syslog_hint, tz_saved, dns_saved,
  time, node_time, timezone
- common.changePassword, common.runCommand, common.queued, common.no_data
- Remove duplicate common.no_data key from en.json

frontend/src/locales/en.json

@@ -43,6 +43,7 @@
       "none": "not configured",
       "server": "Proxmox server",
       "pick_server": "Select a server",
+      "pick_server_hint": "Select a server to see its current template",
       "template_storage": "Template storage",
       "rootfs_storage": "Rootfs storage",
       "no_template_storage": "no vztmpl storages",
@@ -309,8 +310,9 @@
     "offline": "Offline",
     "queued": "Queued...",
     "no_data": "No data",
+    "changePassword": "Change password",
+    "runCommand": "Run command",
     "confirm_delete": "Are you sure you want to delete this?",
-    "no_data": "No data available",
     "all": "All",
     "date": "Date",
     "user": "User",
@@ -1097,7 +1099,23 @@
     "upgrade": "Upgrade",
     "repo_updated": "Repository updated",
     "enable": "Enable",
-    "disable": "Disable"
+    "disable": "Disable",
+    "certs": "Certificates",
+    "syslog": "Log",
+    "tasks": "Tasks",
+    "system": "System",
+    "tasks_hint": "Proxmox tasks executed on this node",
+    "task_start": "Start",
+    "task_type": "Type",
+    "task_id": "Object",
+    "task_user": "User",
+    "task_running": "running",
+    "syslog_hint": "Latest system log entries from the node",
+    "tz_saved": "Timezone saved",
+    "dns_saved": "DNS saved",
+    "time": "Time",
+    "node_time": "Node local time",
+    "timezone": "Timezone"
   },
   "ha": {
     "title": "High Availability",

frontend/src/locales/ru.json

@@ -43,6 +43,7 @@
       "none": "не настроен",
       "server": "Сервер Proxmox",
       "pick_server": "Выберите сервер",
+      "pick_server_hint": "Выберите сервер, чтобы увидеть его текущий шаблон",
       "template_storage": "Хранилище шаблона",
       "rootfs_storage": "Хранилище rootfs",
       "no_template_storage": "нет хранилищ с vztmpl",