ARQGRA-416: @InFrame duplicitly switches to iframe - fixed

* removed further enrichment of the Page Objects/Page Fragments
* PO/PF are enriched by demand when intercepted with inframe interceptor
* see also my comment here: https://issues.jboss.org/browse/ARQGRA-416?focusedCommentId=12939083&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-12939083