(#60) portal, dom: deprecated dom.ensureRenderingAndApplyFunction and removed usage
Merge branch 'feature/60-avoid-ensure-rendering-and-apply-function--rebase-onto-64'

* feature/60-avoid-ensure-rendering-and-apply-function--rebase-onto-64:
  (#60) portal, dom: deprecated dom.ensureRenderingAndApplyFunction and removed usage