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:

This PR moves the code to pick a file after clicking the images card to the MediaUploader component.

Closes #35714.

• This PR is a very minor change/addition and does not require testing instructions (if checked you can ignore/remove the next section).

How to test the changes in this Pull Request:

1. Check out this branch and go to Products > Add New (MVP)
2. Click the Drag and drop area (not the Choose images button).
3. A file picker should be visible. Pick an image.
4. The selected image should be visible now in the gallery.
5. The tracks event wcadmin_product_images_add_via_file_upload_area should be recorded
6. Continue with the product creation process. Confirm that it has been created correctly.

Storybook
Check that the storybook for the component MediaUploader is working as expected.

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 created a changelog file for each project being changed, ie pnpm --filter=<project> changelog add?

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.