Merge pull request #6434 from marshmalien/6432-launch-btn-bug

Disable launch button when there are zero nodes

Reviewed-by: https://github.com/apps/softwarefactory-project-zuul

awx/ui_next/src/screens/Template/WorkflowJobTemplateVisualizer/VisualizerToolbar.jsx

@@ -112,7 +112,7 @@ function VisualizerToolbar({
               <ActionButton
                 id="visualizer-launch"
                 variant="plain"
-                isDisabled={!canLaunch}
+                isDisabled={!canLaunch || totalNodes === 0}
                 onClick={handleLaunch}
               >
                 <RocketIcon />