simplify node splitting, fixes issue where external nodes are moved incorrectly
simplify node splitting, fixes issue where external nodes are moved incorrectly

anovi/quill,milqfm/quill,sferoze/quilljs,KentZheng/gitFlowTIB,sferoze/quilljs,quilljs/quill,eXcomm/quill,DemocracyOS/quill,kmoe/quill,JoshBarr/quill,voxmedia/quill,willrowe/quill,smartsocialmedia/quill,casetext/quill,KentZheng/gitFlowTIA,jcppman/quill,voxmedia/quill,KentZheng/testingflow,fraywing/quill,syungkeaw/quill,sferoze/quilljs,Asana/quill-1,tim-mc/quill,KentZheng/gitFlowTIB,quilljs/quill,willrowe/quill,Asana/quill-1,kmoe/quill,DemocracyOS/quill,hampsterx/quill,sferoze/quilljs,praneybehl/quill,Benibur/quill,jayzawrotny/quill,casetext/quill,mobitroll/kahoot-quill,smartsocialmedia/quill,psiemens/quill,psiemens/quill,jziggas/quill,dahal/quill,KentZheng/gitFlowTIA,KentZheng/testingflow,studio666/quill,gutenye/quill,fraywing/quill,milqfm/quill,willrowe/quill,voxmedia/quill,quilljs/quill,tim-mc/quill,mobitroll/kahoot-quill