Feature:during account initialization, set the interface language to be consistent with the display language(#27029) (#27042)

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: crazywoola <100913391+crazywoola@users.noreply.github.com>

web/app/install/installForm.tsx

@@ -35,7 +35,7 @@ type AccountFormValues = z.infer<typeof accountFormSchema>
 
 const InstallForm = () => {
   useDocumentTitle('')
-  const { t } = useTranslation()
+  const { t, i18n } = useTranslation()
   const docLink = useDocLink()
   const router = useRouter()
   const [showPassword, setShowPassword] = React.useState(false)
@@ -58,6 +58,7 @@ const InstallForm = () => {
     await setup({
       body: {
         ...data,
+        language: i18n.language,
       },
     })