Disable web-security for phantomjs rendering (#6469)

pkg/components/renderer/renderer.go

@@ -52,6 +52,7 @@ func RenderToPng(params *RenderOpts) (string, error) {
 
 	cmdArgs := []string{
 		"--ignore-ssl-errors=true",
+		"--web-security=false",
 		scriptPath,
 		"url=" + url,
 		"width=" + params.Width,