Update policy drawer to include tabs

What does this MR do and why?

Update policy drawer to include tabs

• add yaml tab
• update network drawer design
• update tests

Changelog: changed

EE: true

Screenshots or screen recordings

NOTE: All the headers in the images are h3, but they have been updated to h4. I just didn't want to replace all the images. 🙂

Scenario	Before	After
Parseable Network Policy - Details
Parseable Network Policy - Yaml
Unparseable Network Policy - Details
Unparseable Network Policy - Yaml
Scan Execution Policy - Details
Scan Execution Policy - Yaml	Didn't exist
Unknown policy

How to set up and validate locally

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 #341932 (closed)