Custom no-hrd-connection error prompt

Feature: Customize the no-hrd-connection field on the login_id prompt

Description: All branding related configurations for the New Universal Login should be more permissive in order for the end users to have a smooth experience. It could use either the no-code editor for this or Javascript. Looking at text format, text fonts, separating lines, heading and bulleting.

Use-case: We are using the Home Realm Discovery and we want to give our customers an idea about a specific error which we can do for now, but it looks different on any device we use.