* Update Input.mdx

clarify form validation text

* Update packages/grafana-ui/src/components/Input/Input.mdx

Align with textArea

Co-authored-by: Peter Holmberg <peterholmberg@users.noreply.github.com>

Co-authored-by: Peter Holmberg <peterholmberg@users.noreply.github.com>
Co-authored-by: Clarity-89 <homes89@ukr.net>