fixes #122: show node text edit box over node regardless of position/zoom
fixes #122: show node text edit box over node regardless of position/zoom

ozFri/rhizi,cben/rhizi,ozFri/rhizi,Rhizi/rhizi,shlomif/rhizi,ozFri/rhizi,yuvadm/rhizi,tlevine/rhizi,tlevine/rhizi,ozFri/rhizi,shlomif/rhizi,Rhizi/rhizi,tlevine/rhizi,cben/rhizi,yuvadm/rhizi,shlomif/rhizi,shlomif/rhizi,Rhizi/rhizi,yuvadm/rhizi,Rhizi/rhizi,cben/rhizi,yuvadm/rhizi,cben/rhizi,tlevine/rhizi