[swiper element] update function does not process lazy preloaders

[bmandl]

Check that this is really a bug

• I confirm

Reproduction link

https://codesandbox.io/p/sandbox/swiper-lazy-load-images-forked-2jn2dr?file=%2Findex.html%3A1%2C1

Bug description

When using swiper element with init="false" attribute, if swiper initialization is postponed, so that images are loaded before swiper initialization, lazyPreloader won't get processed inside swiper-slide elements.
Bug probably lies in lines 3479 - 3487 in the file swiper-core.mjs:
[...swiper.el.querySelectorAll('[loading="lazy"]')].forEach(imageEl => { if (imageEl.complete) { processLazyPreloader(swiper, imageEl); } else { imageEl.addEventListener('load', e => { processLazyPreloader(swiper, e.target); }); } });

querySelectorAll is ran against swiper.el element, which is shadow dom element in case of swiper element. querySelectorAll can't find any '[loading="lazy"]' elements, because these are put inside swiper-slide elements, which are slotted inside shadow dom of swiper-container.

Expected Behavior

Swiper lazy preloader should be removed from swiper-slide elements with parameter lazy="true"

Actual Behavior

Swiper lazy preloader is not removed from swiper-slide elements with parameter lazy="true"

Swiper version

10.1.0

Platform/Target and Browser Versions

Windows 10, Chrome, Brave, Firefox

Validations

• Follow our Code of Conduct
• Read the docs.
• Check that there isn't already an issue that request the same feature to avoid creating a duplicate.
• Make sure this is a Swiper issue and not a framework-specific issue

Would you like to open a PR for this bug?

• I'm willing to open a PR

[bmandl]

@nolimits4web did you commit on the wrong branch maybe? Why is 10.0.4 latest release, instead of 10.1.0?