The added CSS handles the case when nice padding is removed (to make the listing
go full-width) and no bulk actions are available (e.g. a ModelViewSet index view
or some other view that extends generic listing view).
This allows us to not rely on the full-width class (which should
eventually be removed) while correctly apply the spacing regardless
whether nice-padding is used or not, and whether bulk actions are
available or not.
If nice-padding is used, then the listing view will look as they
previously do.
We want to make the slim_header.html as the basis for the modern header
template that will be used everywhere, eventually replacing header.html.
Rather than making the page explorer be the special case where we want
the last item to be bigger, do it the other way around i.e. use the
smaller font size on the create/edit views. This ensures that the big
font size is used on all other views e.g. Inspect view.
Remove use of shared/filters.html, as it contains a duplicate `<form>` element we don't want, and generally has more stuff we don't want than stuff we do, to the point that it'll just get in the way of restyling.
Where possible, adopt a subset of stylelint-config-wagtail changes.
- Formatting & ordering (auto applied), this includes the padding/inset shorthand changes
- Adopt a small set of no-union-classes changes as an example of changes to come in future PRs
- Ignore some areas where we are selecting against data* attributes that will not be practical to change
- Move some no-important ignore rules to specific lines
- Ignore max-combinators in modeladmin styles (legacy)
- Remove error messages forced-color-adjust setting to none
- Ensure that some rules are always ignored in overrides (aka vendor) styles. This avoids us having to add ignore comments all over these styles.
- Resolves #10719
- Set the side panel width custom property ('--side-panel-width') globally, not just on the form container.
- Use this custom property to determine the max width of the form content.
- Fixes #11038
Ensures that when the iframe content is loaded there is a background on the iframe. So that transparent websites show correctly in the preview panel.
Fixes #11174
