LPS-32132 use layout Uuid instead of layout Id
LPS-32132 there is no need to modify the scopeId since we are using the uuid
LPS-32132 replace legacy preferences before exporting
LPS-23132 Test to verify behaviour of asset publisher when exporting - importing
LPS-32132 Source formatting
LPS-32132 Prevent from getting "holes" in the array
LPS-32132 Remove need to use  both com.liferay.portal.model.PortletPreferences and javax.portlet.PortletPreferences, and other source formatting