V5 版本 图例 legend 设置label 样式不生效 #5082

如题，按文档中 进行设置 将样式设置 在style中并不能生效，经过测试发现只有写在外层时才能生效

import { Chart } from '@antv/g2';

const chart = new Chart({
  container: 'container',
  theme: 'classic',
  autoFit: true,
  insetTop: 30,
  paddingBottom: 100,
});

const logo = [
  [
    '抖音',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*8IXHQLvx9QkAAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    '快手',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*swueRrrKvbcAAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    '小米',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*79G3TIt3mBoAAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    '微信',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*_ELBTJLp0dQAAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    'Keep',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*JzbKRpFhR14AAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    'Chrome',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*xLnYTaZfdh8AAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    'QQ',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*AbGNTpA5JLwAAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    '优酷',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*UL6lS4jw9lUAAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    '百度地图',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*I6nrTITAxcoAAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    '腾讯视频',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*zwVvT5OFnuYAAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    '哔哩哔哩',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*6jkAQayTiMMAAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    'Word',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*FbkXT6K6mVEAAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    'Excel',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*CKb-R6ZAFpYAAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    'PowerPoint',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*K7-FT4RYRqIAAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    '腾讯会议',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*xbPXR7snu44AAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    '网易云音乐',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*upKlRJ9QB4cAAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    'Safari',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*kjDHRbiW734AAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    '地图',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*tl-2QIB8LKIAAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    'Docker',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*iJ4dS49yrJ4AAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    'VSCode',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*rR6nRInEcz4AAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    '百度网盘',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*futaTbIAkG4AAAAAAAAAAAAADmJ7AQ/original',
  ],
  [
    '印象笔记',
    'https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*Skh1S4BfL9oAAAAAAAAAAAAADmJ7AQ/original',
  ],
];

chart
  .interval()
  .data(logo)
  .encode('x', (d) => d[0])
  .encode('y', () => Math.random())
  .encode('color', (d) => d[1])
  .scale('y', { nice: true })
  .legend({
    color: {
      itemMarker: (_, index) => () => {
        const { document } = chart.getContext().canvas;
        const image = document.createElement('image', {
          style: {
            width: 20,
            height: 20,
            anchor: '0.5 0.5',
            src: logo[index][1],
          },
        });
        return image;
      },
      itemMarkerSize: 40,
      itemLabelText: (_, index) => logo[index][0],
      // 只有写在这里才生效
      itemLabelFontSize: 30,
      itemLabelFill: 'red',
      style:{
       //style 中的设置未生效
        itemLabelFontSize: 50,
        itemLabelFill: '#fff',
      }
    },
  })
  .tooltip(false);

chart.render();