css-in-js emotion autoLabel选项无效，开发环境无法展示出类名快速定位

[cskunkun]

Describe the bug
开发环境rspack css-in-js emotion 设置了autoLabel选项，但是实际展示的类名中还是类似css-14zxgb1，无法快速定位

URL to minimal reproduction
参考配置rsbuild.config.ts

import { defineConfig } from '@rsbuild/core';
import { pluginReact } from '@rsbuild/plugin-react';

// Docs: https://rsbuild.rs/config/
export default defineConfig({
  plugins: [
    pluginReact({
      swcReactOptions: {
        importSource: '@emotion/react',
      },
    }),
  ],
  tools: {
    swc: {
      jsc: {
        experimental: {
          plugins: [
            [
              '@swc/plugin-emotion',
              {
                autoLabel: 'always',
                sourceMap: true,
              },
            ],
          ],
        },
      },
    },
  },
});

export const testCls = css`
  font-size: 100px;

  font-weight: bold;
`;

Expected behavior
希望展示css类名为xxx-testCls

Additional context

Add any other context about the problem here.

[kdy1]

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