fix verification modal email state

[saurabhhhcodes]

Summary

• Track whether the verification email was actually delivered before showing the success message
• Hide the success copy when email delivery fails and replace it with a retry prompt
• Disable OTP entry until there is a successfully sent verification email

Validation

• git diff --check
• npm run build in frontend

[vercel]

Someone is attempting to deploy a commit to the Sunil Kumar's projects Team on Vercel.

A member of the Team first needs to authorize it.