feat: Unify user and super admin credentials (#3830)

Fixes: #3061, #3489

spec/factories/super_admins.rb

@@ -1,6 +1,9 @@
 FactoryBot.define do
   factory :super_admin do
+    name { Faker::Name.name }
     email { "admin@#{SecureRandom.uuid}.com" }
     password { 'Password1!' }
+    type { 'SuperAdmin' }
+    confirmed_at { Time.zone.now }
   end
 end