Merge pull request #300 from keithchong/release-4.18-11176-topology-route-decorator

release-4.18: return null from rollout decorator so Topology URL links render (#11176)

Author: aali309

src/gitops/topology/decorators/getArgoRolloutNodeDecorator.tsx

@@ -11,7 +11,7 @@ export const getArgoRolloutNodeDecorator: React.ReactFragment = (
   y: number,
 ) => {
   if (element.getType() !== 'rollout' || element.isCollapsed()) {
-    return <></>;
+    return null;
   }
   return <ArgoRolloutNodeDecorator element={element} radius={radius} x={x} y={y} />;
 };