fix selection bug for edges
fix selection bug for edges

soomin-maeng/cytoscape.js,cytoscape/cytoscape.js,KonstantinShemyak/cytoscape.js,soomin-maeng/cytoscape.js,KonstantinShemyak/cytoscape.js,rlugojr/cytoscape.js,rlugojr/cytoscape.js,cytoscape/cytoscape.js