fix(cli): cdk ls --long outputs less-friendly stack IDs for nested as…

…semblies (aws#17263)

Since aws#14379, `cdk ls` has outputted friendlier stack names for nested
assemblies (e.g., with pipelines). However, `cdk ls --long` still outputs the
less-friendly stack IDs.

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packages/aws-cdk/lib/cdk-toolkit.ts

@@ -282,7 +282,7 @@ export class CdkToolkit {
       const long = [];
       for (const stack of stacks.stackArtifacts) {
         long.push({
-          id: stack.id,
+          id: stack.hierarchicalId,
           name: stack.stackName,
           environment: stack.environment,
         });