Revert changes to KubeObjectStore

Signed-off-by: Sebastian Malton <sebastian@malton.name>

packages/core/src/common/k8s-api/kube-object.store.ts

@@ -113,15 +113,15 @@ export abstract class KubeObjectStore<
     this.bindWatchEventsUpdater();
   }
 
+  // TODO: Circular dependency: KubeObjectStore -> ClusterFrameContext -> NamespaceStore -> KubeObjectStore
   @computed get contextItems(): K[] {
-    if (!this.api.isNamespaced) {
-      return this.items;
-    }
-
     const namespaces = this.dependencies.context.contextNamespaces;
 
-    return this.items
+    return this.items.filter(item => {
-      .filter(item => namespaces.includes(item.getNs() as string));
+      const itemNamespace = item.getNs();
+
+      return !itemNamespace /* cluster-wide */ || namespaces.includes(itemNamespace);
+    });
   }
 
   getTotalCount(): number {