Add Tracks events to Publish dropdown and Save draft button

[octaedro]

Submission Review Guidelines:

• I have followed the WooCommerce Contributing Guidelines and the WordPress Coding Standards.
• I have checked to ensure there aren't other open Pull Requests for the same update/change.
• I have reviewed my code for security best practices.
• Following the above guidelines will result in quick merges and clear and detailed feedback when appropriate.

Changes proposed in this Pull Request:

This PR adds a few Tracks events:

• Add wcadmin_product_publish_dropdown_open to track when the user opens the dropdown.
• Add wcadmin_product_schedule_publish to track when the user selects the dropdown option.
• Add wcadmin_product_save_draft to track when the user saves a draft product.

Closes #47221.

How to test the changes in this Pull Request:

Using the WooCommerce Testing Instructions Guide, include your detailed testing instructions:

1. Make sure the New product is enabled under /wp-admin/admin.php?page=wc-settings&tab=advanced&section=features.
2. Go to Tools > WCA Test Helper > Tools and enable wc-admin tracking.
3. Open the browser's devTools and go to the Console tab.
4. Go to Products > Add New and add a product name.
5. Press Save draft.
6. The event wcadmin_product_save_draft should be recorded.
7. Press the Publish dropdown chevron.
8. The event wcadmin_product_publish_dropdown_open should be recorded.
9. Now select Schedule publish.
10. The event wcadmin_product_schedule_publish should be recorded as soon as selecting the option.
11. Now Publish the product.
12. Press Switch to draft.
13. The event wcadmin_product_switch_draft should be recorded.

Changelog entry

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Significance

• Patch
• Minor
• Major

Type

• Fix - Fixes an existing bug
• Add - Adds functionality
• Update - Update existing functionality
• Dev - Development related task
• Tweak - A minor adjustment to the codebase
• Performance - Address performance issues
• Enhancement - Improvement to existing functionality

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[github-actions]

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[github-actions]

Hi , @woocommerce/mothra

Apart from reviewing the code changes, please make sure to review the testing instructions as well.

You can follow this guide to find out what good testing instructions should look like:
https://github.com/woocommerce/woocommerce/wiki/Writing-high-quality-testing-instructions

[mdperez86]

Hey @octaedro I left one comment, it is not required to be implemented but I think const definitions when their values don't change should be outside of any function.

[mdperez86]

I think this can be moved outside of the useSaveDraft function since its value does not change.

[octaedro]

Good call! Done in d4b5721