Steps to reproduce

• Enable and configure Site Factory
• Use Landing Page as a content tree root for new Public Access
• Go to Page Builder (click on language in Site Factory view)
• Do some mofications
• Publish

Result

Page Builder opens preview of a previously modified Landing Page, but does it in default SiteAccess instead of recently used Public Access

Expected result

Page Builder opens previewof a previously modified Landing Page using recently used Public Access