message: Return undefined if failed to find node
diff: @@ -181,7 +181,7 @@ export class AzureTreeDataProvider implements TreeDataProvider<IAzureNode>, Disp
  } else if (node instanceof AzureParentNode) {
  children = await node.getCachedChildren();
  } else {
  - throw new Error(localize('noMatchingNode', 'Failed to find node with id "{0}".', id));
  + return undefined;
  }
  }
  }
  