Steps to reproduce

1. Create a DropdownMenu widget and try to add EdgeInsetsDirectional to its expandedInsets field.

Expected results

expandedInsets accepts EdgeInsetsDirectional

Actual results

expandedInsets does not accept EdgeInsetsDirectional

Code sample

DropdownMenu<String>(
              expandedInsets: EdgeInsetsDirectional.only(start: 10, end: 8),
              dropdownMenuEntries: [],
            )

Screenshots or Video

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Logs

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Flutter Doctor output

Redacted