[edit controller] Fix composite entity reparenting when inlined This implies handling the reparenting case sooner, otherwise the child entity modifications are cancelled (see 113e9da47afc). Add a new test to ensure non-regression in all previous tests. Closes #10291977.

* {
  color: #000 !important;
}

div#popupLoginBox,
div#popupLoginBox,
img#logo, div.header,
#navColumnLeft, #navColumnRight,
#footer {
  display: none
}

div#pageContent{
  border: none;
}