fix(ui): show container logs when using templateRef

- the component was incorrectly assuming that `node.templateName` exists, which it doesn't in the case of a `templateRef`
  - use the existing `getTemplateNameFromNode` function to properly handle that instead

Signed-off-by: Anton Gilgur <agilgur5@gmail.com>

ui/src/app/workflows/components/workflow-logs-viewer/workflow-logs-viewer.tsx

@@ -177,7 +177,7 @@ export function WorkflowLogsViewer({workflow, initialNodeId, initialPodName, con
     // default to the node id of the pod
     const nodeId = initialNodeId || podNamesToNodeIDs.get(podName);
     const node = workflow.status.nodes[nodeId];
-    const templates = execSpec(workflow).templates.filter(t => !node || t.name === node.templateName);
+    const templates = execSpec(workflow).templates.filter(t => !node || t.name === getTemplateNameFromNode(node));
 
     const containers = [
         ...new Set(