fix(totp): pass along signin state to totp view

[vbudhram]

Because

• We get an invalid token when entering 2FA code after being redirected from the signin_token_code page

This pull request

• Passes the signinState to the TOTP view which specifies the session token to verify

Issue that this pull request solves

Closes: https://mozilla-hub.atlassian.net/browse/FXA-9836

Checklist

• [x] My commit is GPG signed.
• [x] If applicable, I have modified or added tests which pass locally.
• [ ] I have added necessary documentation (if appropriate).
• [ ] I have verified that my changes render correctly in RTL (if appropriate).

Other information (Optional)

I tested this by creating an account, adding 2FA. In a new browser profile, attempt to login, after being prompted for 2FA code, replace url signin_totp_code with signin_token_code.

The page should redirect to totp page and you should be able to login.