Fix false positives for hashes in URLs in color-no-invalid-hex

[ai]

Clearly describe the bug

fill=url(#a)is parsing wrong by color-no-invalid-hex

Which rule, if any, is the bug related to?

color-no-invalid-hex

What CSS is needed to reproduce the bug?

.invoice_logo {
  background-image: svg-load('../../icons/logo-color.svg', fill=url(#a));
}

What stylelint configuration is needed to reproduce the bug?

e.g.

{
  "extends": [
    "stylelint-config-standard",
    "stylelint-config-styled-components"
  ],
  "rules": {
    "declaration-block-trailing-semicolon": null,
    "selector-list-comma-newline-after": null,
    "declaration-empty-line-before": null,
    "at-rule-empty-line-before": null,
    "no-descending-specificity": null,
    "no-duplicate-selectors": null,
    "rule-empty-line-before": null,
    "at-rule-no-unknown": [
      true,
      {
        "ignoreAtRules": [
          "util"
        ]
      }
    ]
  }
}

Which version of stylelint are you using?

10.0.0

How are you running stylelint: CLI, PostCSS plugin, Node.js API?

stylelint blocks/**/*.sss globals/**/*.css controllers/*.js components/*.js pages/**/*.js pages/*.js popups/**/*.js popups/*.js layout/*.js uibook/*.js

Does the bug relate to non-standard syntax (e.g. SCSS, Less etc.)?

Standard CSS with postcss-inline-svg.

What did you expect to happen?

No warnings to be flagged.

What actually happened (e.g. what warnings or errors did you get)?

globals/invoice/invoice.css
 19:69  ✖  Unexpected invalid hex color "#a"   color-no-invalid-hex

[jeddy3]

@ai Thanks for the report and for using the template.

I can reproduce this.