fix: hide Dify branding in webapp signin page when branding is enabled (langgenius#29200)

Author: douxc

web/app/(shareLayout)/webapp-signin/normalForm.tsx

@@ -94,8 +94,8 @@ const NormalForm = () => {
     <>
       <div className="mx-auto mt-8 w-full">
         <div className="mx-auto w-full">
-          <h2 className="title-4xl-semi-bold text-text-primary">{t('login.pageTitle')}</h2>
-          {!systemFeatures.branding.enabled && <p className='body-md-regular mt-2 text-text-tertiary'>{t('login.welcome')}</p>}
+          <h2 className="title-4xl-semi-bold text-text-primary">{systemFeatures.branding.enabled ? t('login.pageTitleForE') : t('login.pageTitle')}</h2>
+          <p className='body-md-regular mt-2 text-text-tertiary'>{t('login.welcome')}</p>
         </div>
         <div className="relative">
           <div className="mt-6 flex flex-col gap-3">