fix(biome_css_parser): fixed css @document parser error

[eryue0220]

Summary

Closed: #4258

Test Plan

Add test cases:

@-moz-document url-prefix() {}
@-moz-document url-prefix("https://www.example.com/") {}
@-moz-document url-prefix() {
	body {
		background-color: green;
	}
}
@-moz-document url-prefix("https://www.example.com/") {
	body {
		background-color: green;
	}
}

[eryue0220]

@chansuke I have no idea about the ci error, it seemed that the git check didn't check any change in my pr? And I reopened a new issue just want to try could solve it or not.

[codspeed-hq]

CodSpeed Performance Report

Merging #4350 will not alter performance

_{Comparing eryue0220:fix/css-moz-document (e245a76) with main (e3e37ab)}

Summary

✅ 101 untouched benchmarks