[8.12] [Security Solution][Timeline] fix share alert not working with…

… alert details expandable flyout (#174005) (#174094)

# Backport

This will backport the following commits from `main` to `8.12`:
- [[Security Solution][Timeline] fix share alert not working with alert
details expandable flyout
(#174005)](#174005)

<!--- Backport version: 9.4.3 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

<!--BACKPORT [{"author":{"name":"Philippe
Oberti","email":"[email protected]"},"sourceCommit":{"committedDate":"2024-01-02T15:38:58Z","message":"[Security
Solution][Timeline] fix share alert not working with alert details
expandable flyout
(#174005)","sha":"ea35c5343c1477e7a9eb8c68811c86a6042aa6f6","branchLabelMapping":{"^v8.13.0$":"main","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:fix","Team:Threat
Hunting:Investigations","v8.12.1","v8.13.0"],"title":"[Security
Solution][Timeline] fix share alert not working with alert details
expandable
flyout","number":174005,"url":"https://github.com/elastic/kibana/pull/174005","mergeCommit":{"message":"[Security
Solution][Timeline] fix share alert not working with alert details
expandable flyout
(#174005)","sha":"ea35c5343c1477e7a9eb8c68811c86a6042aa6f6"}},"sourceBranch":"main","suggestedTargetBranches":["8.12"],"targetPullRequestStates":[{"branch":"8.12","label":"v8.12.1","branchLabelMappingKey":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"},{"branch":"main","label":"v8.13.0","branchLabelMappingKey":"^v8.13.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/174005","number":174005,"mergeCommit":{"message":"[Security
Solution][Timeline] fix share alert not working with alert details
expandable flyout
(#174005)","sha":"ea35c5343c1477e7a9eb8c68811c86a6042aa6f6"}}]}]
BACKPORT-->

Co-authored-by: Philippe Oberti <[email protected]>

x-pack/plugins/security_solution/public/timelines/components/side_panel/event_details/expandable_event.tsx

@@ -24,6 +24,7 @@ import styled from 'styled-components';
 
 import { ALERT_WORKFLOW_ASSIGNEE_IDS } from '@kbn/rule-data-utils';
 import { TableId } from '@kbn/securitysolution-data-table';
+import { URL_PARAM_KEY } from '../../../../common/hooks/use_url_state';
 import type { GetFieldsData } from '../../../../common/hooks/use_get_fields_data';
 import { Assignees } from '../../../../flyout/document_details/right/components/assignees';
 import { useAssistantAvailability } from '../../../../assistant/use_assistant_availability';
@@ -107,6 +108,9 @@ export const ExpandableEventTitle = React.memo<ExpandableEventTitleProps>(
       _index: eventIndex,
       timestamp,
     });
+    const urlModifier = (value: string) => {
+      return `${value}&${URL_PARAM_KEY.eventFlyout}=(preview:!(),rightPanel:(id:document-details-right,params:(id:${eventId},indexName:${eventIndex},scopeId:${scopeId})))`;
+    };
 
     const { refetch } = useRefetchByScope({ scopeId });
     const alertAssignees = useMemo(
@@ -160,7 +164,7 @@ export const ExpandableEventTitle = React.memo<ExpandableEventTitleProps>(
                 )}
                 {isAlert && alertDetailsLink && (
                   <EuiFlexItem grow={false}>
-                    <EuiCopy textToCopy={alertDetailsLink}>
+                    <EuiCopy textToCopy={urlModifier(alertDetailsLink)}>
                       {(copy) => (
                         <EuiButtonEmpty
                           onClick={copy}