formatting of `[popover]:open`is incorrect

[bartveneman]

input

@supports selector([popover]:open){[popover]:not(.\:popover-open,dialog[open]){display:revert}[anchor]:is(:open){inset:auto}}@supports selector([popover]:popover-open){[popover]:not(.\:popover-open,dialog[open]){display:revert}[anchor]:is(:popover-open){inset:auto}}

actual

	@supports selector([popover]: open) {
		[popover]:not(.\:popover-open, dialog[open]) {
			display: revert;
		}

		[anchor]:is(:open) {
			inset: auto;
		}
	}

	@supports selector([popover]: popover-open) {
		[popover]:not(.\:popover-open, dialog[open]) {
			display: revert;
		}

		[anchor]:is(:popover-open) {
			inset: auto;
		}
	}
}

expected

@supports selector([popover]:open) {
	[popover]:not(.\:popover-open, dialog[open]) {
		display: revert;
	}

	[anchor]:is(:open) {
		inset: auto;
	}
}

@supports selector([popover]:popover-open) {
	[popover]:not(.\:popover-open, dialog[open]) {
		display: revert;
	}

	[anchor]:is(:popover-open) {
		inset: auto;
	}
}