`*-gradient` 与 `repeating-*-gradient` (conic, linear, radial) 中设置百分比不生效

[temper357]

使用的 Kraken 版本 ｜ What version of kraken are you using

main

重现代码 | Code example:

    xit('gradient-ref', async () => {
    let gradient;
    gradient = createElement('div', {
      id: 'gradient',
      style: {
        width: '200px',
        height: '200px',
        'background-image':
          'conic-gradient(black 25%, white 0 50%, black 0 75%, white 0)',
        'box-sizing': 'border-box',
      },
    });
    BODY.appendChild(gradient);

    await snapshot();
  });

预期结果 ｜ Expected results:

实际结果 ｜ Actual results: