chore: Don't send confirmation email when creating User via platform api (#4272)

The platform api automatically confirms users so we don't need to send this
email.

app/controllers/platform/api/v1/users_controller.rb

@@ -7,8 +7,8 @@ class Platform::Api::V1::UsersController < PlatformController
 
   def create
     @resource = (User.find_by(email: user_params[:email]) || User.new(user_params))
+    @resource.skip_confirmation!
     @resource.save!
-    @resource.confirm
     @platform_app.platform_app_permissibles.find_or_create_by!(permissible: @resource)
   end