Add header and select all for scan result policy license types

What does this MR do and why?

This MR resolves #412297 (closed)

Now Listbox allows select all in header

This MR adds header and moves select all option to header

Screenshots or screen recordings

BEFORE	AFTER	AFTER

Screenshots are required for UI changes, and strongly recommended for all other merge requests.

How to set up and validate locally

1. Go to project or group
2. Secure -> Policies -> 'New policy' -> Scan result policy
3. Select License scan in Rules section

Numbered steps to set up and validate the change are strongly suggested.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #413016 (closed)