[Bug][a11y]: Dropzone: file typed input isn't announcing the value once a file is dropped

[dineshy87]

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Code of conduct

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Impacted component(s)

Dropzone

Expected behavior

Typically when an input of type file is used, screenreader announces the value after a file is selected and focus returns to the upload button.

Actual behavior

It's not clear from the example if there's a way to tell what file was uploaded.