fix(cli): empty non top-level stack does not get deleted (#21624)

Fixed selector pattern for the empty stack which must be deleted during the deployment. I set stack selector pattern as 
`stack.hierarchicalId` because hierarchicalId is used in `selectMatchingStacks` method which is called when destroy logic is looking for the stack to be deleted.

https://github.com/aws/aws-cdk/blob/92d6d58029595735df6902db5f820b1182dfb27b/packages/aws-cdk/lib/api/cxapp/cloud-assembly.ts#L138

There is also existing integration test which covers destroy logic and it works now without additional modifications:

https://github.com/aws/aws-cdk/blob/92d6d58029595735df6902db5f820b1182dfb27b/packages/aws-cdk/test/integ/cli/cli.integtest.ts#L685

**How I tested it locally?**

- Prepared a package with fix with `yarn package` and installed with `npm install -g dist/js/aws-cdk-0.0.0.tgz`
- Reproduced steps from the bug #20822
- Ensured that the issue is fixed

closes #20822 

----

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

@@ -188,7 +188,7 @@ export class CdkToolkit {
         } else {
           warning('%s: stack has no resources, deleting existing stack.', chalk.bold(stack.displayName));
           await this.destroy({
-            selector: { patterns: [stack.stackName] },
+            selector: { patterns: [stack.hierarchicalId] },
             exclusively: true,
             force: true,
             roleArn: options.roleArn,

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

@@ -56,7 +56,7 @@ jest.mock('../lib/logging', () => ({
 import * as cxschema from '@aws-cdk/cloud-assembly-schema';
 import * as cxapi from '@aws-cdk/cx-api';
 import { Bootstrapper } from '../lib/api/bootstrap';
-import { CloudFormationDeployments, DeployStackOptions } from '../lib/api/cloudformation-deployments';
+import { CloudFormationDeployments, DeployStackOptions, DestroyStackOptions } from '../lib/api/cloudformation-deployments';
 import { DeployStackResult } from '../lib/api/deploy-stack';
 import { Template } from '../lib/api/util/cloudformation';
 import { CdkToolkit, Tag } from '../lib/cdk-toolkit';
@@ -558,6 +558,21 @@ describe('deploy', () => {
   });
 });
 
+describe('destroy', () => {
+  test('destroy correct stack', async () => {
+    const toolkit = defaultToolkitSetup();
+
+    await expect(() => {
+      return toolkit.destroy({
+        selector: { patterns: ['Test-Stack-A/Test-Stack-C'] },
+        exclusively: true,
+        force: true,
+        fromDeploy: true,
+      });
+    }).resolves;
+  });
+});
+
 describe('watch', () => {
   test("fails when no 'watch' settings are found", async () => {
     const toolkit = defaultToolkitSetup();
@@ -931,6 +946,11 @@ class FakeCloudFormation extends CloudFormationDeployments {
     });
   }
 
+  public destroyStack(options: DestroyStackOptions): Promise<void> {
+    expect(options.stack).toBeDefined();
+    return Promise.resolve();
+  }
+
   public readCurrentTemplate(stack: cxapi.CloudFormationStackArtifact): Promise<Template> {
     switch (stack.stackName) {
       case MockStack.MOCK_STACK_A.stackName: