Duplicate request sent to server after switching sites in sites settings

[tauqeer-haider]

Description of bug

Duplicate request is issued to GetCultureList method in Site Settings when a different site is selected in the "EDITING SITE" dropdown.

Steps to reproduce

1. Create a child website
2. In the main site, open SETTINGS > Site Settings
3. Open the debugging tool (assuming you are using google chrome)
4. Click the network tab
5. In the EDITING SITE dropdown, select the site created at step 1

Current behavior

Observe two same requests are send to server API/PersonaBar/SiteSettings/GetCultureList?portalId=

Expected behavior

Only one request should send to server

Affected version

• 10.00.00 alpha build
• 09.06.02 release candidate
• 09.06.01 latest supported release

Affected browser

• Chrome
• Firefox
• Safari
• Internet Explorer 11
• Microsoft Edge (Classic)
• Microsoft Edge Chromium