Trusted applications for other Security products

[111andre111]

Description

Endpoint Security needs to be whitelisted each other with 3rd party security solutions in case someone wanted to use in parallel both on endpoints.

Acceptance Test Criteria

Can we add this to our Security troubleshooting section please and possibly link to it from installation guide in case there are issues installing endpoint solution?
https://www.elastic.co/guide/en/security/current/install-endpoint.html
https://www.elastic.co/guide/en/security/current/troubleshooting-ov.html
I suppose we need to use Trusted Applications for that
https://www.elastic.co/guide/en/security/current/trusted-apps-ov.html

[joepeeples]

Additional info from #1280 (possibly outdated):

• Content will likely be maintained in a Google doc for now.