refactor: simplify plugin task handling and improve UI feedback (#26293)

web/i18n/zh-Hans/plugin.ts

@@ -270,12 +270,17 @@ const translation = {
     partnerTip: '此插件由 Dify 合作伙伴认证',
   },
   task: {
-    installing: '{{installingLength}} 个插件安装中，0 已完成',
+    installing: '正在安装插件',
     installingWithSuccess: '{{installingLength}} 个插件安装中，{{successLength}} 安装成功',
     installingWithError: '{{installingLength}} 个插件安装中，{{successLength}} 安装成功，{{errorLength}} 安装失败',
     installError: '{{errorLength}} 个插件安装失败，点击查看',
     installedError: '{{errorLength}} 个插件安装失败',
+    installSuccess: '{{successLength}} 个插件安装成功',
+    installed: '已安装',
     clearAll: '清除所有',
+    runningPlugins: '正在安装的插件',
+    successPlugins: '安装成功的插件',
+    errorPlugins: '安装失败的插件',
   },
   requestAPlugin: '申请插件',
   publishPlugins: '发布插件',