fix: adjust types & exports for all bundler

[ghiscoding]

• hopefully get better result when checking exports in https://arethetypeswrong.github.io/?p=multiple-select-vanilla

[github-actions]

🎭 Playwright Summary - Success 🎉

Playwright Report

[email protected] test:e2e /home/runner/work/multiple-select-vanilla/multiple-select-vanilla
playwright test --config playwright/playwright.config.ts

Running 69 tests using 2 workers
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69 passed (44.4s)

[github-actions]

🎭 Playwright Summary - Success 🎉

Playwright Report

[email protected] test:e2e /home/runner/work/multiple-select-vanilla/multiple-select-vanilla
playwright test --config playwright/playwright.config.ts

Running 69 tests using 1 worker
·····································································
69 passed (1.7m)