Fix cod-button form submit/reset in 3.x

[arpitjain099]

This updates cod-button so it can submit and reset parent forms again in 3.x.

What changed:

• support a type attribute on the component (submit, reset, button, default submit)
• mirror that type onto the internal native button
• on click, when inside a form and not disabled/loading/link mode, call the form action directly:
  • requestSubmit() for submit (fallback to submit())
  • reset() for reset

This matches expected button behavior for forms while keeping current link behavior unchanged.

Fixes #352

Tested locally:

• npx eslint src/stable/components/Button/Button.js
• npx prettier --check src/stable/components/Button/Button.js
• npm run build:stable