graflow: small fix for loop always bezier

bzGraflow.js

@@ -495,13 +495,13 @@ class BZgraflow extends Buildoz{
             }
         }
 
-        if(wireType === 'bezier') {
+        if((wireType === 'bezier') || loop) { // loops only use bezier to look good
             return(`M ${x1} ${y1} C ${c1x} ${c1y}, ${c2x} ${c2y}, ${x2} ${y2}`)
         }
-        if(wireType === 'straight') {
+        if((wireType === 'straight') && (!loop)) {
             return(`M ${x1} ${y1} L ${c1x} ${c1y} L ${c2x} ${c2y} L ${x2} ${y2}`)
         }
-        if(wireType === 'ortho') {
+        if((wireType === 'ortho') && (!loop)) {
             let path = `M ${x1} ${y1} `
             if(['n', 's'].includes(port1.direction)) {
                 path += `V ${(c1y+c2y)/2} H ${c2x} V ${y2}`