graflowEditor: fixed gapy bug , graflow: update flow coords after move

bzGraflow.js

@@ -698,7 +698,6 @@ class BZgraflow extends Buildoz{
             if(totWidth>maxWidth) maxWidth = totWidth
             layerWidths.push(totWidth)
         }
-
         
         // If any long-links, create placeholders for skipped layers
         this._virtualLinks = new Map()
@@ -751,6 +750,7 @@ class BZgraflow extends Buildoz{
                         y = ((maxHeight - layerHeights[idx]) / 2) + gapy
                         break
                 }
+                console.log('======>',gapy, y)
                 for(const nid of layer){
                     let placedY
                     if(!nid.startsWith('longLinkPlaceHolder_')) {
@@ -974,6 +974,12 @@ class BZgraflow extends Buildoz{
             
             if(p < 1) requestAnimationFrame(frame.bind(this))
             else{
+                const flowNode = this.flow?.nodes?.find(n => n.id === nid)
+                if(flowNode) {
+                    if(!flowNode.coords) flowNode.coords = {}
+                    flowNode.coords.x = x
+                    flowNode.coords.y = y
+                }
                 this.fireEvent('nodeMoved', { nid, x, y })
             }
         }