[bugfix] Copying an XML resource did not previously remove nodes of a document that it overwrote
[bugfix] Copying an XML resource did not previously remove nodes of a document that it overwrote

RemiKoutcherawy/exist,RemiKoutcherawy/exist,RemiKoutcherawy/exist,RemiKoutcherawy/exist,RemiKoutcherawy/exist,RemiKoutcherawy/exist