fix(build): mode env for "import" condition"

[dai-shi]

follows https://github.com/pmndrs/jotai/pull/1978

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Size Change: 0 B

Total Size: 57.2 kB

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| Filename | Size | | :--- | :---: | | `dist/esm/index.js` | 62 B | | `dist/esm/macro.js` | 698 B | | `dist/esm/macro/vite.js` | 864 B | | `dist/esm/react.js` | 732 B | | `dist/esm/react/utils.js` | 225 B | | `dist/esm/utils.js` | 68 B | | `dist/esm/vanilla.js` | 2.41 kB | | `dist/esm/vanilla/utils.js` | 4.28 kB | | `dist/index.js` | 232 B | | `dist/macro.js` | 937 B | | `dist/macro/vite.js` | 1.09 kB | | `dist/react.js` | 668 B | | `dist/react/utils.js` | 244 B | | `dist/system/index.development.js` | 236 B | | `dist/system/index.production.js` | 170 B | | `dist/system/macro.development.js` | 779 B | | `dist/system/macro.production.js` | 556 B | | `dist/system/macro/vite.development.js` | 951 B | | `dist/system/macro/vite.production.js` | 660 B | | `dist/system/react.development.js` | 871 B | | `dist/system/react.production.js` | 471 B | | `dist/system/react/utils.development.js` | 321 B | | `dist/system/react/utils.production.js` | 223 B | | `dist/system/utils.development.js` | 241 B | | `dist/system/utils.production.js` | 176 B | | `dist/system/vanilla.development.js` | 2.55 kB | | `dist/system/vanilla.production.js` | 1.49 kB | | `dist/system/vanilla/utils.development.js` | 4.5 kB | | `dist/system/vanilla/utils.production.js` | 2.9 kB | | `dist/umd/index.development.js` | 372 B | | `dist/umd/index.production.js` | 322 B | | `dist/umd/macro.development.js` | 1.05 kB | | `dist/umd/macro.production.js` | 727 B | | `dist/umd/macro/vite.development.js` | 1.24 kB | | `dist/umd/macro/vite.production.js` | 883 B | | `dist/umd/react.development.js` | 814 B | | `dist/umd/react.production.js` | 526 B | | `dist/umd/react/utils.development.js` | 400 B | | `dist/umd/react/utils.production.js` | 299 B | | `dist/umd/utils.development.js` | 387 B | | `dist/umd/utils.production.js` | 335 B | | `dist/umd/vanilla.development.js` | 2.72 kB | | `dist/umd/vanilla.production.js` | 1.61 kB | | `dist/umd/vanilla/utils.development.js` | 5.04 kB | | `dist/umd/vanilla/utils.production.js` | 3.13 kB | | `dist/utils.js` | 236 B | | `dist/vanilla.js` | 2.6 kB | | `dist/vanilla/utils.js` | 4.87 kB |

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