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/snippets/locales/en.json

@@ -231,5 +231,8 @@
   "targetTerminals": "Run in",
   "targetTerminalsHint": "optional, else the active tab",
   "selectAll": "All",
-  "selectNone": "None"
+  "selectNone": "None",
+  "plugin": {
+    "name": "Snippets"
+  }
 }