Repetitive confirm dialog in page templates deletion

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.1.0 M1, 7.1.X, Master
• Component/s: Page Templates
• Labels:
  • QA-V
  • profiq
• Fix Priority: 1
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/54692

Cancellation confirm dialog is rendered more times than needed:

Steps:

1. Go to Site Pages > Page Templates
2. Add Collection
3. Select created collection
4. Create Page Template
5. Select other menu
6. Go to Site Pages > Page Templates > [your collection]
7. Select Template by checkbox
8. Try to remove using trash icon
9. Cancel confirmation

Actual result:
Repetitive confirm dialog

Expected:
Only one cancellation needed

Tested & failed:
Mysql 5.7, Tomcat 8.0.32, RHEL
Firefox, Chrome
7.0.x nightly Master 20180118

Priority: L2 + S1 = 1