GRN2-265: No longer throws 500 if provider not included (#944)

* No longer throws 500 if provider not included

* Rubocop fix

app/controllers/application_controller.rb

@@ -220,6 +220,7 @@ class ApplicationController < ActionController::Base
       logger.error "Error in retrieve provider info: #{e}"
       # Use the default site settings
       @user_domain = "greenlight"
+      @settings = Setting.find_or_create_by(provider: @user_domain)
 
       if e.message.eql? "No user with that id exists"
         render "errors/greenlight_error", locals: { message: I18n.t("errors.not_found.user_not_found.message"),