No indicator of the default User Resolution option when a new IDP connection is added to SP

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.4.1 CE GA2, 7.4.2 CE GA3, 7.4.13 DXP GA1, Master
• Component/s: Application Security > SAML
• Labels:
  • liferay-ga3-ce-742
• Fix Priority: 3
• Sprint: AppSec Iteration 64, AppSec Iteration 65
• Git Pull Request: https://github.com/liferay-appsec/liferay-portal/pull/407

Summary
When the Instance Administrator adds a new IDP connection for his SP site.
On the new IDP connection form's User Resolution section, nothing is selected, so the Instance Admin has no feedback about, what will be the default User Resolution method (aka User Matching).
The Instance administrator can save the IDP connection form, with this empty selection at the moment.

Repro

1. Have 2 Liferay portal
2. Enable Identity provider SAML role for the first provider
3. Navigate to second portal Instance and login as Instance Administrator
4. Enable Service Provider SAML role for the second portal
5. Switch to Identity Provider Connections tab at SAML configuration page
6. Add a new IDP connection

Actual results
Nothing is selected at the User Resolution area by default when a new IDP connection form loads
The form can be saved without anything is selected at the User Resolution area

Expected results
The Instance administrator should have visual feedback of the current Use Resolution method, which will be applied for End Users using the SAML login.
The form can not when nothing is selected in the User Resolution area.