Fix trying to connect to cluster whose entity doesn't exist

- If a Cluster is trying to be connected to but there is no associated
  entity then don't try and connect

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

src/renderer/api/catalog/entity/registry.ts

@@ -60,7 +60,7 @@ export class CatalogEntityRegistry {
     // If the entity was not found but there are rawEntities to be processed,
     // try to process them and return the entity.
     // This might happen if an extension registered a new Catalog category.
-    if (this.activeEntityId && !entity && this.rawEntities.length > 0) {
+    if (this.activeEntityId.get() && !entity && this.rawEntities.length > 0) {
       this.processRawEntities();
 
       return this.getActiveEntityById();

src/renderer/components/cluster-manager/cluster-view.tsx

@@ -68,6 +68,11 @@ class NonInjectedClusterView extends React.Component<Dependencies> {
   bindEvents() {
     disposeOnUnmount(this, [
       reaction(() => this.clusterId, async (clusterId) => {
+        // TODO: replace with better handling
+        if (clusterId && !this.props.entityRegistry.getById(clusterId)) {
+          return this.props.navigateToCatalog(); // redirect to catalog when the clusterId does not correspond to an entity
+        }
+
         this.props.clusterFrames.setVisibleCluster(clusterId);
         this.props.clusterFrames.initView(clusterId);
         requestClusterActivation(clusterId, false); // activate and fetch cluster's state from main