What does this PR do?

This PR omits the HTML table border

Where should the reviewer start?

DataTable/index.d.ts

What testing has been done on this PR?

locally

How should this be manually tested?

storybook

Do Jest tests follow these best practices?

• screen is used for querying.
• The correct query is used. (Refer to this list of queries)
• userEvent is used in place of fireEvent.
• asFragment() is used for snapshot testing.

Any background context you want to provide?

src/js/components/DataTable/index.d.ts:130:18 - error TS2320: Interface 'DataTableExtendedProps<TRowType>' cannot simultaneously extend types 'DataTableProps<TRowType>' and 'Omit<DetailedHTMLProps<TableHTMLAttributes<HTMLTableElement>, HTMLTableElement>, "placeholder" | "onSelect">'.
  Named property 'border' of types 'DataTableProps<TRowType>' and 'Omit<DetailedHTMLProps<TableHTMLAttributes<HTMLTableElement>, HTMLTableElement>, "placeholder" | "onSelect">' are not identical.

since we are extending our DataTable props while vomiting some of the html table props there was an issue with border

What are the relevant issues?

closes #6236

Screenshots (if appropriate)

Do the grommet docs need to be updated?

no

Should this PR be mentioned in the release notes?

sure

Is this change backwards compatible or is it a breaking change?

backwards compatible