`no-conditional-comment` does not generate selector

Provide a broad description of the bug.

Reduced test-case

<!--[if !IE]><!-->
<link rel="stylesheet" type="text/css" media="all" href="ie.css" />
<!--<![endif]-->

Configuration

Default configuration

Expected result

An error with selector set to the parent node.

Actual result

$ npm exec html-validate test3.html -- -f json | python -m json.tool

[
    {
        "filePath": "C:\\FKApps\\repo\\tmpl_ansok_hundbidrag_sp\\test3.html",
        "messages": [
            {
                "ruleId": "no-conditional-comment",
                "ruleUrl": "https://html-validate.org/rules/no-conditional-comment.html",
                "severity": 2,
                "message": "Use of conditional comments are deprecated",
                "offset": 0,
                "line": 1,
                "column": 1,
                "size": 13,
                "selector": null
            },
            {
                "ruleId": "no-conditional-comment",
                "ruleUrl": "https://html-validate.org/rules/no-conditional-comment.html",
                "severity": 2,
                "message": "Use of conditional comments are deprecated",
                "offset": 91,
                "line": 3,
                "column": 5,
                "size": 12,
                "selector": null
            }
        ],
        "errorCount": 2,
        "warningCount": 0,
        "source": "<!--[if !IE]><!-->\n<link rel=\"stylesheet\" type=\"text/css\" media=\"all\" href=\"ie.css\" />\n<!--<![endif]-->\n"
    }
]

Version

• html-validate: 6.3.1