* Add `Fixed` and `Repeated` background controls to `Featured Product`
* Add `Repeated background` feature when the toggle is activated
* Extract `get_image_url` function
* Add the styles for rendering the repeated image on the frontend
* Add `hasParallax` and `isRepeated` to the `block.json` file
* Adjust styles
* Remove unused function, improve phpdoc
* Use alt and product name
Fix error rebasing master
* Hide alt if isRepeat is true
When isRepeated is true, the image is a background so it does not
make sense to have an alt attribute.
* Add `Fixed image` behaviour
* Remove unnecessary single quotes
* Remove duplicated const due to rebasing
* Fix focal point getting lost after enabling Fixed bg
* Fix duotone for fixed and repeated images
* Fix duotone for fixed and repeated images on the front end
* Don't allow alt if the image is a bg not an img element
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