fix(i18n): complete Simplified Chinese core and plugin translations (#1542)

* fix(i18n): complete Chinese onboarding and navigation labels

* fix(i18n): translate remaining Chinese core and plugin interfaces

* fix(i18n): translate host editor tab overflow controls

* fix(i18n): use consistent Chinese fleet terminology

* fix(i18n): localize hardcoded controls and plugin views

* fix(i18n): translate built-in homepage widget catalog

* test(homepage): follow translated timezone placeholder

* fix(i18n): translate plugin-provided homepage widgets

* fix(i18n): localize feature settings section titles

plugins/network-topology/locales/translated/zh_CN.json

@@ -54,8 +54,8 @@
   },
   "permissions": {
     "use": {
-      "title": "Use network graph",
-      "description": "View and edit the network topology graph."
+      "title": "使用网络拓扑图",
+      "description": "查看和编辑网络拓扑图。"
     }
   },
   "hosts": {