message: RDS Explorer: fix showing false as null
diff: @@ -280,7 +280,9 @@ function Explorer() {
  executeSql.data.rows.map((u, i) => (
  <Table.Row key={i}>
  {u.map((v, idx) => (
  - <Table.Cell key={idx}>{v || "<null>"}</Table.Cell>
  + <Table.Cell key={idx}>
  + {v === null ? "<null>" : v}
  + </Table.Cell>
  ))}
  </Table.Row>
  ))}
  