fix: 邮件详情: iframe 内的链接, 新页面打开, 允许不继承iframe的沙盒限制

src/views/Conversations/Online/Components/EmailContent.jsx

@@ -136,7 +136,7 @@ const EmailContent = ({ id, content: MailContent, className='', ...props }) => {
             border: 'none',
             display: 'block',
           }}
-          sandbox='allow-scripts allow-same-origin allow-popups'
+          sandbox='allow-scripts allow-same-origin allow-popups allow-popups-to-escape-sandbox allow-forms allow-top-navigation'
         />
       </div>
     </div>