[InputNumber] add option to hide increment/decrement buttons

[J-Michalek]

Description

I would like to use the InputNumber component, but I don't necessarily want the increment/decrement buttons to show up.

Additional context

No response

[github-actions]

Hi! 👋 This issue has been open for 60 days without activity and will be closed in 7 days. Please comment if it's still relevant.

[J-Michalek]

I need to create a new PR pointing at the v4 branch, other than that it should be ready for review.