All Submissions:

• Have you followed the WooCommerce Contributing guideline?
• Does your code follow the WordPress' coding standards?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes proposed in this Pull Request:

Closes #32956.

Fixes the notice on the empty product page.

How to test the changes in this Pull Request:

Test no notice on the empty Products page

1. Make sure debug is enabled
2. On a fresh site, go to the Products page
3. Observe NO notice

Test load sample products notice

1. Install WooCommerce Admin Test Helper
2. Go to Tools > WCA Test Helper > Features
3. Enable experimental-products-task
4. Go to Tools > WCA Test Helper > Experiments
5. Enable treatment for woocommerce_products_task_layout_stacked
6. Make sure your site has woocommerce_allow_tracking option set to yes
7. Navigate to WooCommerce > Home
8. Go to "Add products" task
9. Click "Load Sample Products"
10. Observe that 9 products are loaded, and a notice is displayed

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your changes, as applicable?
• Have you successfully run tests with your changes locally?
• Have you created a changelog file for each project being changed, ie pnpm nx changelog <project>?

FOR PR REVIEWER ONLY:

• I have reviewed that everything is sanitized/escaped appropriately for any SQL or XSS injection possibilities. I made sure Linting is not ignored or disabled.