Graflow: standardized event signatures between floLoaded and subflowLoaded

bzGraflow.js

@@ -142,7 +142,10 @@ class BZgraflow extends Buildoz{
         await this.loadNodes(flowObj.nodesFile)
         this.flow = flowObj.flow
         this.refresh()
-        this.fireEvent('flowLoaded', { url: source instanceof Blob ? null : source, blob: source instanceof Blob ? source : null })
+        this.fireEvent('flowLoaded', { 
+            parentNodeId: null, 
+            component: this,
+        })
     }
 
     initFlow(){
@@ -325,7 +328,10 @@ class BZgraflow extends Buildoz{
             childEl.style.transform = 'none' // Important for nested subflows to position correctly
             childEl.style.willChange = ''
             childEl.style.overflow = 'auto'
-            this.fireEvent('subflowLoaded', { parentNodeId: id, subflow: childEl })
+            this.fireEvent('subflowLoaded', { 
+                parentNodeId: id, 
+                component: childEl 
+            })
         }, { once:true })
     }