address review comments, and rebased to master

Signed-off-by: Jim Ehrismann <jehrismann@mirantis.com>

src/renderer/components/+landing-page/workspace-cluster.store.ts

@@ -12,7 +12,7 @@ export class ClusterItem implements ItemObject {
   }
 
   get distribution() {
-    return (this.cluster.metadata["distribution"] || "unknown").toString();
+    return this.cluster.metadata?.distribution?.toString() ?? "unknown";
   }
 
   get version() {