Felix Arntz 61b9859728 Media: Avoid images with sizes=auto to be displayed downsized in supporting browsers.
Based on the user agent stylesheet rules outlined in https://html.spec.whatwg.org/multipage/rendering.html#img-contain-size, images that have `sizes=auto` while applying `width: auto` or `width: fit-content` would be constrained to only 300px width.

This changeset overrides said user agent stylesheet rule with a much larger constraint, to avoid the problem.

Additionally, it introduces a filter `wp_img_tag_add_auto_sizes` which can be used to opt out of the functionality, as an additional measure.

Props joemcgill, flixos90, dooperweb, SirLouen, azaozz, mukesh27, apermo.
Fixes #62413.
See #61847, #62345.


git-svn-id: https://develop.svn.wordpress.org/trunk@59415 602fd350-edb4-49c9-b593-d223f7449a82
2024-11-18 19:50:06 +00:00
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