(#91) portal: make sure that widget DOM is attached when linking
(#91) portal: make sure that widget DOM is attached when linking: specs
Merge branch 'feature/91-fix-widget-visibility-during-link--rebase'

* feature/91-fix-widget-visibility-during-link--rebase:
  (#91) portal: make sure that widget DOM is attached when linking: specs
  (#91) portal: make sure that widget DOM is attached when linking