DropZone add name prop

[chr33s]

To support uncontrolled component use case. [**]

WHY are these changes introduced?

[**]

WHAT is this pull request doing?

[**]

How to 🎩

n/a

🎩 checklist

• Tested a snapshot
• Tested on mobile
• Tested on multiple browsers
• Tested for accessibility
• Updated the component's README.md with documentation changes
• Tophatted documentation changes in the style guide

[MichaelFD28]

Amazing! Thanks man

[MichaelFD28]

Any update on this PR being approved?

[Copilot]

Pull Request Overview

This PR adds a name prop to the DropZone component to support uncontrolled component use cases by allowing a name attribute on the underlying file input element.

• Added optional name prop to DropZoneProps interface
• Passed the name prop to the internal file input element
• Removed automatic clearing of the input value to preserve form behavior

Comments suppressed due to low confidence (1)

polaris-react/src/components/DropZone/DropZone.tsx:233

• Removing the automatic clearing of event.target.value = '' may cause issues where the same file cannot be selected again after being dropped or selected once. This is because the file input won't trigger an onChange event if the same file is selected. Consider making this behavior conditional based on whether the component is controlled or uncontrolled.

      if (!(event.target && 'value' in event.target)) return;

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