better autofit signature

bzGraflow.js

@@ -514,8 +514,8 @@ class BZgraflow extends Buildoz{
                 const autofitTween = (autofitAttr !== null && autofitAttr !== '' && !Number.isNaN(parseFloat(autofitAttr)))
                     ? parseFloat(autofitAttr)
                     : undefined
-                if(this._canRunAutoPlace()) this.autofit(100, autofitTween)
-                else this._scheduleLayoutWhenReady(() => this.autofit(100, autofitTween))
+                if(this._canRunAutoPlace()) this.autofit(autofitTween)
+                else this._scheduleLayoutWhenReady(() => this.autofit(autofitTween))
             }
         }
         const onLayoutComplete = () => {
@@ -1332,7 +1332,7 @@ class BZgraflow extends Buildoz{
         return(crossLayerLinks)
     }
 
-    autofit(percent=100, tween = 0){
+    autofit(tween = 0, percent=100){
         const outwidth = Math.max(this.clientWidth, 1)
         const outheight = Math.max(this.clientHeight, 1)
         let inwidth = this.nodesContainer.scrollWidth