Navigation changes: Upgrade Security, post-upgrade steps, endpoint pr…

[natasha-moore-elastic]

…otection, explore, and EA sections

Resolves #5974.
Updates references to apps and pages re: solution views and classic nav updates in Kibana. This PR updates the following sections and their sub-pages:

• Upgrade Elastic Security to 8.15.3
• Post-upgrade steps (optional)
• Configure endpoint protection with Elastic Defend
• Explore
• Advanced Entity Analytics

Previews

Upgrade Elastic Security

• Upgrade from 7.17 to an 8.x version

Post-upgrade steps

• Migrate detection alerts enriched with threat intelligence
• Update a deprecated ServiceNow connector

Configure endpoint protection with Elastic Defend

• Prevent Elastic Agent uninstallation
• Configure updates for protection artifacts
• Configure an integration policy for Elastic Defend
• Create an Elastic Defend policy using API
• Elastic Defend feature privileges
• Turn off diagnostic data for Elastic Defend
• Install Elastic Defend
• Configure Linux file system monitoring
• Configure self-healing rollback for Windows endpoints
• Uninstall Elastic Agent

Explore

• Configure network map data

Advanced Entity Analytics

• Anomaly detection
• Optimizing anomaly results
• Turn on the risk scoring engine

[github-actions]

A documentation preview will be available soon.

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