Add kube-version and distro on detail panel (#3335)

src/main/cluster.ts

@@ -235,8 +235,18 @@ export class Cluster implements ClusterModel, ClusterState {
     return this.preferences.clusterName || this.contextName;
   }
 
+  /**
+   * The detected kubernetes distribution
+   */
   @computed get distribution(): string {
-    return this.metadata.distribution?.toString() || "unknown";
+    return this.metadata[ClusterMetadataKey.DISTRIBUTION]?.toString() || "unknown";
+  }
+
+  /**
+   * The detected kubernetes version
+   */
+  @computed get version(): string {
+    return this.metadata[ClusterMetadataKey.VERSION]?.toString() || "unknown";
   }
 
   /**
@@ -251,13 +261,6 @@ export class Cluster implements ClusterModel, ClusterState {
     return toJS({ prometheus, prometheusProvider });
   }
 
-  /**
-   * Kubernetes version
-   */
-  get version(): string {
-    return String(this.metadata?.version ?? "");
-  }
-
   constructor(model: ClusterModel) {
     makeObservable(this);
     this.id = model.id;