User can not do any operation in site selector's pop up

• Type: Regression Bug
• Status: Closed
• Resolution: No Longer Reproducible
• Affects Version/s: 7.0.X EE, Master
• Fix Version/s: None
• Component/s: Sites Administration > Sites, ~ [Archived] Frontend Infrastructure
• Labels:
  • QA-AUTOMATION
• Fix Priority: 5
• Last Working Version:
  7.0.0 DXP FP27
• QA Test Name:
  • KaleoformsUsecase#AssertFieldValuesNotLostDuringReviewTask
  • KaleoformsUsecase#CompleteProcessAndAssertFieldOrder
  • KaleoformsUsecase#ProcessUsesCreateFormWhenEditFormIsMissing
  • KaleoformsUsecase#ProcessUsesEditForm
  • PGDynamicdatalists#AddFormTemplate
  • UIInfrastructureUsecase#Smoke
• QA Test Score: 22

Steps to reproduce:

1. Click on the site selector icon, then try to select other site.

Expected Results:
The site selector's pop up works as expected.

Actual Results:
User can not do any operation in site selector's pop up.

Tested on:
Tomcat 8.0.32 + MySQL 5.6. Portal master GIT ID: d5d7a775fa75b7f9aede711c74ad167c945563.
Tomcat 8.0.32 + MySQL 5.6. Portal ee-7.0.x GIT ID: b34e667dc6bbcc164dd020b7dabe5798b40fe09b.