i18n: improve Chinese translation (#19309)

src/lib/i18n/locales/zh-CN/translation.json

@@ -394,6 +394,7 @@
 	"Default Models": "默认模型",
 	"Default permissions": "默认权限",
 	"Default permissions updated successfully": "默认权限更新成功",
+	"Default Pinned Models": "默认置顶模型",
 	"Default Prompt Suggestions": "默认提示词建议",
 	"Default to 389 or 636 if TLS is enabled": "启用 TLS 将默认使用 389 或 636 端口",
 	"Default to ALL": "默认为：ALL",

src/lib/i18n/locales/zh-TW/translation.json

@@ -394,6 +394,7 @@
 	"Default Models": "預設模型",
 	"Default permissions": "預設權限",
 	"Default permissions updated successfully": "成功更新預設權限",
+	"Default Pinned Models": "預設置頂模型",
 	"Default Prompt Suggestions": "預設提示詞建議",
 	"Default to 389 or 636 if TLS is enabled": "如果啟用了 TLS 則預設為 389 或 636",
 	"Default to ALL": "預設到所有",