When `showSearch={true}` and `defaultActiveFirstOption={false}`, pressing ArrowUp makes the second-to-last option active

[xurxe]

If you have the following code:

<Select showSearch defaultActiveFirstOption={false}>
  <Select.Option value="a">A</Select.Option>
  <Select.Option value="b">B</Select.Option>
  <Select.Option value="c">C</Select.Option>
</Select>

And you start typing in the input field, pressing ArrowUp makes B active, not C.