修复自定义邮箱位置及整体逻辑

sidepanel/sidepanel.html

@@ -152,6 +152,7 @@
         <span class="data-label">邮箱服务</span>
         <div class="data-inline">
           <select id="select-mail-provider" class="data-select">
+            <option value="custom">自定义邮箱</option>
             <option value="hotmail-api">Hotmail（本地助手）</option>
             <option value="163">163 邮箱 (mail.163.com)</option>
             <option value="163-vip">163 VIP 邮箱 (vip.163.com)</option>
@@ -165,7 +166,6 @@
       <div class="data-row" id="row-email-generator">
         <span class="data-label">邮箱生成</span>
         <select id="select-email-generator" class="data-select">
-          <option value="custom">自定义邮箱</option>
           <option value="duck">DuckDuckGo</option>
           <option value="cloudflare">Cloudflare</option>
         </select>
@@ -414,6 +414,7 @@
         <button id="btn-auto-start-close" class="modal-close" type="button" aria-label="关闭">×</button>
       </div>
       <p id="auto-start-message" class="modal-message">检测到已有流程进度，选择继续当前还是重新开始。</p>
+      <p id="auto-start-alert" class="modal-alert" hidden></p>
       <div id="modal-option-row" class="modal-option-row" hidden>
         <label class="modal-option-label" for="modal-option-input">
           <input type="checkbox" id="modal-option-input" />