fireEvent + graflow uses new-style fireEvent

graflow_examples/test6.html

@@ -56,10 +56,10 @@
                 grflw1.setAttribute('tension', document.querySelector('input[data-id="compunet"]').value)
                 grflw1.setAttribute('align', document.querySelector('select[name="align"]').value)
                 grflw1.setAttribute('wiretype', document.querySelector('select[name="wiretype"]').value)
-                grflw1.addEventListener('subflowLoaded',
+                grflw1.addEventListener('bz:graflow:subflowLoaded',
                     (evt) => { grflw1 = evt.detail.subflow }
                 )
-                grflw1.addEventListener('subflowExited',
+                grflw1.addEventListener('bz:graflow:subflowExited',
                     (evt) => { grflw1 = evt.target }
                 )
                 document.querySelector('[data-trigger="onAutoplace1H"]').addEventListener('click',