Fix set of cluster entity icon src (#3134)

Co-authored-by: Sebastian Malton <sebastian@malton.name>

src/common/catalog-entities/kubernetes-cluster.ts

@@ -38,9 +38,6 @@ export interface KubernetesClusterPrometheusMetrics {
     prefix: string;
   };
   type?: string;
-  icon?: {
-    src?: string;
-  };
 }
 
 export interface KubernetesClusterSpec extends CatalogEntitySpec {
@@ -49,7 +46,13 @@ export interface KubernetesClusterSpec extends CatalogEntitySpec {
   metrics?: {
     source: string;
     prometheus?: KubernetesClusterPrometheusMetrics;
-  }
+  };
+  icon?: {
+    // TODO: move to CatalogEntitySpec once any-entity icons are supported
+    src?: string;
+    material?: string;
+    background?: string;
+  };
 }
 
 export interface KubernetesClusterStatus extends CatalogEntityStatus {

src/main/cluster-manager.ts

@@ -102,7 +102,7 @@ export class ClusterManager extends Singleton {
     const entity = catalogEntityRegistry.items[index] as KubernetesCluster;
 
     this.updateEntityStatus(entity, cluster);
-    
+
     entity.metadata.labels = Object.assign({}, cluster.labels, entity.metadata.labels);
 
     if (cluster.preferences?.clusterName) {
@@ -119,7 +119,12 @@ export class ClusterManager extends Singleton {
       entity.spec.metrics.prometheus = prometheus;
     }
 
-    entity.spec.icon.src = cluster.preferences.icon;
+    if (cluster.preferences.icon) {
+      entity.spec.icon ??= {};
+      entity.spec.icon.src = cluster.preferences.icon;
+    } else {
+      entity.spec.icon = null;
+    }
 
     catalogEntityRegistry.items.splice(index, 1, entity);
   }