fix: CustomEvent not properly triggering jQuery event for hidden fields workflow

[Soare-Robert-Daniel]

Summary

I found out that native CustomEvent and jQuery.trigger are not the same. I added back the event trigger via jQuery for conditions workflow.

Will affect visual aspect of the product

NO

Test instructions

• Import those fields
  ppom-meta-1728379034.csv
• The hidden field should not be added to the price when adding the item to cart.

Check before Pull Request is ready:

• I have written a test and included it in this PR
• I have run all tests and they pass
• The code passes when running the PHP CodeSniffer
• Code meets WordPress Coding Standards for PHP, HTML, CSS and JS
• Security and Sanitization requirements have been followed
• I have assigned a reviewer or two to review this PR (if you're not sure who to assign, we can do this step for you)

Closes https://github.com/Codeinwp/ppom-pro

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🎉 This PR is included in version 33.0.5 🎉

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