Add select all option for scanners

What does this MR do and why?

Add select all option for scanners under scan result policy page and sort elements.

Related issue: #357297 (closed)

Screenshots or screen recordings

Before

After

How to set up and validate locally

1. Create a security project as described in the docs
2. Create a new scan result policy and look for the dropdown related to scanners

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.