wxiaoguang 6ac2ade97d
Clean up template locale usage (#27856) (#27857)
Backport #27856

The only conflict is `ThemeName` in `500.tmpl`, it has been resolved
manually by keeping using old
`{{.SignedUser.Theme}}{{else}}{{DefaultTheme}}`
2023-10-31 17:35:55 +01:00
..