[REQUEST][9.0 & Serverless]: Visualizations in the alert details flyout are enabled by default (#1009)

### Description
Contributes to #1008.
Corresponding 8.18 docs are at:
elastic/security-docs#6695

### Preview
- [Configure advanced settings | Access the event analyzer and Session
View from the event or alert details
flyout](https://docs-v3-preview.elastic.dev/elastic/docs-content/pull/1009/solutions/security/get-started/configure-advanced-settings#visualizations-in-flyout):
Removed the line that said the
`securitySolution:enableVisualizationsInFlyout` advanced setting was
turned off by default in 8.18/9.0/Serverless. Also removed tech preview
note.
- [View detection alert details | Expanded visualizations
view](https://docs-v3-preview.elastic.dev/elastic/docs-content/pull/1009/solutions/security/detect-and-alert/view-detection-alert-details#expanded-visualizations-view):
Removed the requirements blurb about turning on the advanced setting to
use the Expanded visualizations view. The setting is now turned on by
default. Also removed tech preview note.
- [Visual event analyzer | Find events to
analyze](https://docs-v3-preview.elastic.dev/elastic/docs-content/pull/1009/solutions/security/investigate/visual-event-analyzer#find-events-analyze):
Removed tip about turning on the advanced setting to access the Expanded
visualizations view.

Author: nastasha-solomon

solutions/security/detect-and-alert/view-detection-alert-details.md

@@ -150,17 +150,6 @@ Click **Visualizations** to display the following previews:
 
 ### Expanded visualizations view [expanded-visualizations-view]
 
-::::{warning}
-This functionality is in technical preview and may be changed or removed in a future release. Elastic will work to fix any issues, but features in technical preview are not subject to the support SLA of official GA features.
-::::
-
-
-::::{admonition} Requirements
-To use the **Visualize** tab, you must turn on the `securitySolution:enableVisualizationsInFlyout` [advanced setting](/solutions/security/get-started/configure-advanced-settings.md#visualizations-in-flyout).
-
-::::
-
-
 The **Visualize** tab allows you to maintain the context of the Alerts table, while providing a more detailed view of alerts that you’re investigating in the event analyzer or Session View. To open the tab, click **Session viewer preview** or **Analyzer preview** from the right panel.
 
 :::{image} /solutions/images/security-visualize-tab-lp.png

solutions/security/get-started/configure-advanced-settings.md

@@ -129,12 +129,7 @@ Including data from cold and frozen [data tiers](/manage-data/lifecycle/data-tie
 
 ## Access the event analyzer and Session View from the event or alert details flyout [visualizations-in-flyout]
 
-::::{warning}
-This functionality is in technical preview and may be changed or removed in a future release. Elastic will work to fix any issues, but features in technical preview are not subject to the support SLA of official GA features.
-::::
-
-
-The `securitySolution:enableVisualizationsInFlyout` setting allows you to access the event analyzer and Session View in the **Visualize** [tab](/solutions/security/detect-and-alert/view-detection-alert-details.md#expanded-visualizations-view) on the alert or event details flyout. This setting is turned off by default.
+The `securitySolution:enableVisualizationsInFlyout` setting allows you to access the event analyzer and Session View in the **Visualize** [tab](/solutions/security/detect-and-alert/view-detection-alert-details.md#expanded-visualizations-view) on the alert or event details flyout.
 
 
 ## Change the default search interval and data refresh time [_change_the_default_search_interval_and_data_refresh_time]

solutions/security/investigate/visual-event-analyzer.md

@@ -44,11 +44,6 @@ To find events that can be visually analyzed:
 
 3. Events that can be visually analyzed are denoted by a cubical **Analyze event** icon. Select this option to open the event in the visual analyzer. The event analyzer is accessible from the **Hosts**, **Alerts**, and **Timelines** pages, as well as the alert details flyout.
 
-    ::::{tip}
-    Turn on the `securitySolution:enableVisualizationsInFlyout` [advanced setting](/solutions/security/get-started/configure-advanced-settings.md#visualizations-in-flyout) to access the event analyzer from the **Visualize** tab in the alert or event details flyout.
-    ::::
-
-
     :::{image} /solutions/images/security-analyze-event-button.png
     :alt: analyze event button
     :screenshot: