feat: support login by given mail (#4991)

web/app/layout.tsx

         data-api-prefix={process.env.NEXT_PUBLIC_API_PREFIX}
         data-pubic-api-prefix={process.env.NEXT_PUBLIC_PUBLIC_API_PREFIX}
         data-public-edition={process.env.NEXT_PUBLIC_EDITION}
+        data-public-support-mail-login={process.env.NEXT_PUBLIC_SUPPORT_MAIL_LOGIN}
         data-public-sentry-dsn={process.env.NEXT_PUBLIC_SENTRY_DSN}
         data-public-maintenance-notice={process.env.NEXT_PUBLIC_MAINTENANCE_NOTICE}
         data-public-site-about={process.env.NEXT_PUBLIC_SITE_ABOUT}
       >
-        <Topbar/>
+        <Topbar />
         <BrowerInitor>
           <SentryInitor>
             <I18nServer>{children}</I18nServer>

web/app/signin/normalForm.tsx

 import Link from 'next/link'
 import Toast from '../components/base/toast'
 import style from './page.module.css'
-import { IS_CE_EDITION, apiPrefix } from '@/config'
+import { IS_CE_EDITION, SUPPORT_MAIL_LOGIN, apiPrefix } from '@/config'
 import Button from '@/app/components/base/button'
 import { login, oauth } from '@/service/common'
 import { getPurifyHref } from '@/utils'
 
 const NormalForm = () => {
   const { t } = useTranslation()
+  const useEmailLogin = IS_CE_EDITION || SUPPORT_MAIL_LOGIN
+
   const router = useRouter()
 
   const [state, dispatch] = useReducer(reducer, {
 
       <div className="w-full mx-auto mt-8">
         <div className="bg-white ">
-          {!IS_CE_EDITION && (
+          {!useEmailLogin && (
             <div className="flex flex-col gap-3 mt-6">
               <div className='w-full'>
                 <a href={getPurifyHref(`${apiPrefix}/oauth/login/github`)}>
           )}
 
           {
-            IS_CE_EDITION && <>
+            useEmailLogin && <>
               {/* <div className="relative mt-6">
                 <div className="absolute inset-0 flex items-center" aria-hidden="true">
                   <div className="w-full border-t border-gray-300" />

web/config/index.ts

 const EDITION = process.env.NEXT_PUBLIC_EDITION || globalThis.document?.body?.getAttribute('data-public-edition') || 'SELF_HOSTED'
 export const IS_CE_EDITION = EDITION === 'SELF_HOSTED'
 
+export const SUPPORT_MAIL_LOGIN = !!(process.env.NEXT_PUBLIC_SUPPORT_MAIL_LOGIN || globalThis.document?.body?.getAttribute('data-public-support-mail-login'))
+
 export const TONE_LIST = [
   {
     id: 1,