[8.16] [Serverless][8.16] New notes experience - Impacted screenshots and misc updates (backport #6072)

[mergify]

Summary

Finishes the remaining work needed to resolve #5441 and also:

• Makes minor adjustments to the Notes docs (one of them being the TOC placement of the Notes page in the Serverless docs)
• Does some post-migration Serverless docs cleanup

ESS previews

• Timeline
• Timeline templates
• View detection alert details
• Launch Timeline from investigation guides

Serverless:

• Investigation tools - Added notes as one of the tools users can rely on when investigating events
• Timeline
• Timeline templates
• View detection alert details
• Launch Timeline from investigation guides

  ---

  This is an automatic backport of pull request [Serverless][8.16] New notes experience - Impacted screenshots and misc updates #6072 done by Mergify.

[mergify]

Cherry-pick of 1b13703 has failed:

On branch mergify/bp/8.16/pr-6072
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  (fix conflicts and run "git cherry-pick --continue")
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  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   docs/detections/alerts-view-details.asciidoc
	modified:   docs/detections/images/alert-details-flyout-preview-panel.gif
	modified:   docs/detections/images/alert-details-flyout-right-panel.png
	modified:   docs/detections/images/expand-details-button.png
	modified:   docs/detections/images/expanded-correlations-view.png
	modified:   docs/detections/images/expanded-entities-view.png
	modified:   docs/detections/images/expanded-prevalence-view.png
	modified:   docs/detections/images/expanded-threat-intelligence-view.png
	modified:   docs/detections/images/ig-alert-flyout-invest-tab.png
	modified:   docs/detections/images/ig-alert-flyout.png
	modified:   docs/detections/images/ig-timeline-query.png
	modified:   docs/detections/images/ig-timeline.png
	modified:   docs/detections/images/open-alert-details-flyout.gif
	modified:   docs/events/images/correlation-tab-eql-query.png
	modified:   docs/events/images/create-a-timeline-template-field.png
	modified:   docs/events/images/timeline-sidebar.png
	modified:   docs/events/images/timeline-ui-renderer.png
	modified:   docs/events/images/timeline-ui-updated.png
	modified:   docs/events/timeline-ui-overview.asciidoc
	new file:   docs/serverless/images/view-alert-details/-detections-ai-assistant-chat.png

Unmerged paths:
  (use "git add/rm <file>..." as appropriate to mark resolution)
	deleted by us:   docs/serverless/alerts/view-alert-details.asciidoc
	deleted by us:   docs/serverless/images/interactive-investigation-guides/-detections-ig-alert-flyout-invest-tab.png
	deleted by us:   docs/serverless/images/interactive-investigation-guides/-detections-ig-alert-flyout.png
	deleted by us:   docs/serverless/images/interactive-investigation-guides/-detections-ig-timeline-query.png
	deleted by us:   docs/serverless/images/interactive-investigation-guides/-detections-ig-timeline.png
	deleted by us:   docs/serverless/images/timeline-templates-ui/-events-create-a-timeline-template-field.png
	deleted by us:   docs/serverless/images/timelines-ui/-events-correlation-tab-eql-query.png
	deleted by us:   docs/serverless/images/timelines-ui/-events-timeline-sidebar.png
	deleted by us:   docs/serverless/images/timelines-ui/-events-timeline-ui-renderer.png
	deleted by us:   docs/serverless/images/timelines-ui/-events-timeline-ui-updated.png
	deleted by us:   docs/serverless/images/view-alert-details/-detections-alert-details-flyout-preview-panel.gif
	deleted by us:   docs/serverless/images/view-alert-details/-detections-alert-details-flyout-right-panel.png
	deleted by us:   docs/serverless/images/view-alert-details/-detections-expand-details-button.png
	deleted by us:   docs/serverless/images/view-alert-details/-detections-expanded-correlations-view.png
	deleted by us:   docs/serverless/images/view-alert-details/-detections-expanded-entities-view.png
	deleted by us:   docs/serverless/images/view-alert-details/-detections-expanded-prevalence-view.png
	deleted by us:   docs/serverless/images/view-alert-details/-detections-expanded-threat-intelligence-view.png
	deleted by us:   docs/serverless/images/view-alert-details/-detections-open-alert-details-flyout.gif
	deleted by us:   docs/serverless/index.asciidoc
	deleted by us:   docs/serverless/investigate/investigate-events.asciidoc
	deleted by us:   docs/serverless/investigate/timeline-templates-ui.asciidoc
	deleted by us:   docs/serverless/investigate/timelines-ui.asciidoc
	deleted by us:   docs/serverless/osquery/invest-guide-run-osquery.asciidoc
	deleted by us:   docs/serverless/rules/interactive-investigation-guides.asciidoc

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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