If a row is nested inside of an expanded row, it should be contained to the grid unless the expanded class is explicitly added to the nested row.
If a nested row needs to be full width, the `expanded` class can be applied to that row; however, if nested row max-width is set to none, there's no way to contain a row to the grid inside of an expanded row.
This fixes #8886
@if type-of($gutter) == 'number' {
$gutter: ($-zf-zero-breakpoint: $gutter);
}
- max-width: none;
@each $breakpoint, $value in $gutter {
$margin: rem-calc($value) / 2 * -1;