Fix default theme-auto selector when nologin (#21346)

the bug is theme selector is `theme-` when not login to Gitea

![theme-auto](https://user-images.githubusercontent.com/76462613/194099390-0ff6854a-1eb9-4dba-bb28-fd238f2225f8.png)

Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: delvh <dev.lh@web.de>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
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rock2dust 2022-10-06 11:52:43 +08:00 committed by GitHub
parent fd2d5f06b0
commit 1294f6c511
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@ -1,5 +1,5 @@
<!DOCTYPE html>
<html lang="{{.locale.Lang}}" class="theme-{{.SignedUser.Theme}}">
<html lang="{{.locale.Lang}}" class="theme-{{if .SignedUser.Theme}}{{.SignedUser.Theme}}{{else}}auto{{end}}">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">