perf: Add "Select All" checkbox to Plugin and MCP Server selection dialogs (#1790)

* Initial plan

* Add "Select All" checkbox to Plugin and MCP Server selection dialogs

Co-authored-by: RockChinQ <45992437+RockChinQ@users.noreply.github.com>

* Make "Select All" text clickable by adding onClick handler to container

Co-authored-by: RockChinQ <45992437+RockChinQ@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: RockChinQ <45992437+RockChinQ@users.noreply.github.com>

web/src/i18n/locales/en-US.ts

@@ -484,6 +484,7 @@ const enUS = {
       toolCount: '{{count}} tools',
       noPluginsInstalled: 'No installed plugins',
       noMCPServersConfigured: 'No configured MCP servers',
+      selectAll: 'Select All',
     },
     debugDialog: {
       title: 'Pipeline Chat',

web/src/i18n/locales/ja-JP.ts

@@ -487,6 +487,7 @@ const jaJP = {
       toolCount: '{{count}}個のツール',
       noPluginsInstalled: 'インストールされているプラグインがありません',
       noMCPServersConfigured: '設定されているMCPサーバーがありません',
+      selectAll: 'すべて選択',
     },
     debugDialog: {
       title: 'パイプラインのチャット',

web/src/i18n/locales/zh-Hans.ts

@@ -466,6 +466,7 @@ const zhHans = {
       toolCount: '{{count}} 个工具',
       noPluginsInstalled: '无已安装的插件',
       noMCPServersConfigured: '无已配置的 MCP 服务器',
+      selectAll: '全选',
     },
     debugDialog: {
       title: '流水线对话',

web/src/i18n/locales/zh-Hant.ts

@@ -464,6 +464,7 @@ const zhHant = {
       toolCount: '{{count}} 個工具',
       noPluginsInstalled: '無已安裝的插件',
       noMCPServersConfigured: '無已配置的 MCP 伺服器',
+      selectAll: '全選',
     },
     debugDialog: {
       title: '流程線對話',