when a new user is added with a verified timestamp, don't just clear it

app/models/user.rb

@@ -43,9 +43,11 @@ class User < ApplicationRecord
 
   when_attribute :email_address, :changes_to => :anything do
     before_save do |was, now|
+      unless self.new_record? && self.email_verified_at
         self.email_verification_token = rand(999999).to_s.rjust(6, '0')
         self.email_verified_at = nil
       end
+    end
 
     after_commit do |was, new|
       if self.email_verified_at.nil? && was.present?