fix refresh interval for tracking pending space nodes

Author: kzr-at-amazon

packages/core/src/sagemakerunifiedstudio/explorer/nodes/sageMakerUnifiedStudioSpacesParentNode.ts

@@ -29,7 +29,7 @@ export class SageMakerUnifiedStudioSpacesParentNode implements TreeNode {
     private readonly onDidChangeEmitter = new vscode.EventEmitter<void>()
     public readonly onDidChangeTreeItem = this.onDidChangeEmitter.event
     public readonly onDidChangeChildren = this.onDidChangeEmitter.event
-    public readonly pollingSet: PollingSet<string> = new PollingSet(5, this.updatePendingNodes.bind(this))
+    public readonly pollingSet: PollingSet<string> = new PollingSet(5000, this.updatePendingNodes.bind(this))
     private spaceAwsAccountRegion: string | undefined
 
     public constructor(