Landing Page is not preserved when changing siteaccess.

Prereq.: Set up four siteaccess with four languages (like in v1 EE demo, configuration attached).

Steps

1. Log in as admin.
2. Go to Page.
3. Publish new Landing Page.
4. Change siteaccess to e.g. fr.

Actual: Home is loaded in siteaccess fr.
Expected: Landing Page created in step 3 is loaded in siteaccess fr.

Remarks: Go to Content structure and select the new Landing Page. Go to Page. Change siteaccess to fr. [OK] Change siteaccess to de. [NOK] - In this flow LP is lost after second change.