First navigation to Staging Configuration to change the staging settings displays success message

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.1.X, Master
• Component/s: Staging
• Labels:
  • 7.1-could
  • UI
• Fix Priority: 3
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/60916

To reproduce:
1. enable local staging on a site
2. go to Staging > Staging Configurations

Actual result:
Success message is displayed.
Please note that this success message displays at the very first navigation

Expected:
No success message to be displayed after a navigation

Tested on master 10d8cec