fix: prevent duplicate titles on Taobao login page

Keep a single native title on the entry page even when the host ignores title clearing. Preserve centered headers elsewhere and normalize manifest line endings during shared-code checks.

taobao/pages/login/login.js

@@ -47,4 +47,4 @@ Page(require('../../utils/page-header').page({
   onTaobaoLogin: function () { this.enter(false); },
   onGuest: function () { this.enter(true); },
   noop: function () {}
-}, typeof my === 'undefined' ? {} : my, { nativeTitleFallback: true }));
+}, typeof my === 'undefined' ? {} : my, { nativeTitleOnly: true }));

taobao/pages/login/login.json

@@ -1,5 +1,5 @@
 {
-  "defaultTitle": "​",
+  "defaultTitle": "1'me肌肤状态检测",
   "titleBarColor": "#FFFFFF",
   "backgroundColor": "#142632",
   "disableScroll": true,