Affects Version/s: Master
Fix Version/s: None
Steps to Reproduce:
1. Create a new site with a public page.
2. Enable local staging with page variation enabled.
3. Navigate to staging site page.
4. Create new site pages variation named as 'Summer'.
5. Go to Product Menu -> Site Builder -> Pages.
6. Assert 'Summer' is choosed as the current site pages variation.
7. Click on 'Main Variation' for choosing it as the current site pages variation.
8. Navigate to staging site page.
The current site pages variation should be 'Main Variation'.
The current site pages variation is 'Summer'.