Fix layer copying during order phase
Fix layer copying during order phase

9n/dagre,abduld/dagre,rwl/dagre_charted,rwl/dagre_charted,kdawes/dagre,shelsonjava/dagre,tylingsoft/dagre-layout,cbfx/dagre-d3,dagrejs/dagre-d3,9n/dagre,9n/dagre-d3,abduld/dagre,9n/dagre-d3,harsha-mudi/dagre-d3,cpettitt/dagre,witcxc/dagre,leMaik/graphlib-dot,cpettitt/graphlib-dot,abduld/dagre,shelsonjava/dagre,GerHobbelt/dagre,lmcorbo/dagre,rwl/dagre,cpettitt/dagre-d3,leMaik/graphlib-dot,lmcorbo/dagre,harsha-mudi/dagre-d3,kdawes/dagre,dominiek/dagre-d3,witcxc/dagre,cpettitt/dagre,tylingsoft/dagre-layout,9n/dagre,shelsonjava/dagre,lmcorbo/dagre,rwl/graphlib_dot,9n/dagre-d3,GerHobbelt/dagre,dagrejs/dagre-d3,ENCODE-DCC/dagre-d3,kdawes/dagre,rwl/dagre_charted,dominiek/dagre-d3,cpettitt/graphlib-dot,cbfx/dagre-d3,cbfx/dagre-d3,git-ashish/dagre-d3,cpettitt/dagre,git-ashish/dagre-d3,GerHobbelt/dagre,cpettitt/dagre-d3,cpettitt/dagre-d3,dominiek/dagre-d3,git-ashish/dagre-d3,ENCODE-DCC/dagre-d3