[Security Solution] Allows editing and exporting prebuilt rules from the Rule Management and Rule Details pages (#198202)

**Resolves: #180171
**Resolves: #180176
**Resolves: #180173

## Summary

> [!NOTE]  
> Feature is behind the `prebuiltRulesCustomizationEnabled` feature
flag.

Adds logic to allow users to edit and export prebuilt rules from both
the Rule management page and Rule details page via the bulk action menu
and the singular overflow menu


### Acceptance criteria

- [x] Feature is hidden behind prebuiltRulesCustomizationEnabled feature
flag
- [x] Modified components still work as expected when feature flag is
off
- [x] Bulk actions are able to performed on all rule types from Rule
management page bulk actions menu
  - [x] Editing
    - [x] Index patterns
    - [x] Tags
    - [x] Highlighted fields
    - [x] Schedule
  - [x] Export
- [x] Singular rule actions are able to be performed on all rule types
from rule management page overflow column
  - [x] Export
- [x] Singular rule actions are able to be performed on all rule types
from rule details page
  - [x] Export
 

### Screenshots
***

### Rule management table overflow menu

#### Before
**Export button is disabled for prebuilt rules**
![Screenshot 2024-11-07 at 7 38
12 PM](https://github.com/user-attachments/assets/13f8cd87-a9e5-486c-ab0f-d206de8bab4b)


#### After
**Export button is enabled for all rule types**
![Screenshot 2024-11-07 at 7 34
27 PM](https://github.com/user-attachments/assets/4b3d9364-02d5-406a-9f8a-c9ad8fed8486)

### Rule details page overflow menu

#### Before
**Export button is disabled for prebuilt rules**
![Screenshot 2024-11-07 at 7 37
40 PM](https://github.com/user-attachments/assets/621b56e3-1f47-49db-aedb-fd05a3b75007)


#### After
**Export button is enabled for all rule types**
![Screenshot 2024-11-07 at 7 34
38 PM](https://github.com/user-attachments/assets/d533f288-4393-4acf-ba88-91c32ab32955)

---------

Co-authored-by: Elastic Machine <[email protected]>

Author: dplumlee

x-pack/plugins/security_solution/public/detection_engine/rule_management_ui/components/rules_table/use_rules_table_actions.tsx

@@ -25,6 +25,7 @@ import { useDownloadExportedRules } from '../../../rule_management/logic/bulk_ac
 import { useHasActionsPrivileges } from './use_has_actions_privileges';
 import type { TimeRange } from '../../../rule_gaps/types';
 import { useScheduleRuleRun } from '../../../rule_gaps/logic/use_schedule_rule_run';
+import { useIsPrebuiltRulesCustomizationEnabled } from '../../../rule_management/hooks/use_is_prebuilt_rules_customization_enabled';
 import { ManualRuleRunEventTypes } from '../../../../common/lib/telemetry';
 
 export const useRulesTableActions = ({
@@ -46,6 +47,7 @@ export const useRulesTableActions = ({
   const { bulkExport } = useBulkExport();
   const downloadExportedRules = useDownloadExportedRules();
   const { scheduleRuleRun } = useScheduleRuleRun();
+  const isPrebuiltRulesCustomizationEnabled = useIsPrebuiltRulesCustomizationEnabled();
 
   return [
     {
@@ -116,7 +118,7 @@ export const useRulesTableActions = ({
           await downloadExportedRules(response);
         }
       },
-      enabled: (rule: Rule) => !rule.immutable,
+      enabled: (rule: Rule) => isPrebuiltRulesCustomizationEnabled || !rule.immutable,
     },
     {
       type: 'icon',

x-pack/plugins/security_solution/public/detections/components/rules/rule_actions_overflow/index.tsx

@@ -14,6 +14,7 @@ import {
 } from '@elastic/eui';
 import React, { useCallback, useMemo } from 'react';
 import styled from 'styled-components';
+import { useIsPrebuiltRulesCustomizationEnabled } from '../../../../detection_engine/rule_management/hooks/use_is_prebuilt_rules_customization_enabled';
 import { useScheduleRuleRun } from '../../../../detection_engine/rule_gaps/logic/use_schedule_rule_run';
 import type { TimeRange } from '../../../../detection_engine/rule_gaps/types';
 import { APP_UI_ID, SecurityPageName } from '../../../../../common/constants';
@@ -72,6 +73,7 @@ const RuleActionsOverflowComponent = ({
     application: { navigateToApp },
     telemetry,
   } = useKibana().services;
+  const isPrebuiltRulesCustomizationEnabled = useIsPrebuiltRulesCustomizationEnabled();
   const { startTransaction } = useStartTransaction();
   const { executeBulkAction } = useExecuteBulkAction({ suppressSuccessToast: true });
   const { bulkExport } = useBulkExport();
@@ -137,7 +139,10 @@ const RuleActionsOverflowComponent = ({
             <EuiContextMenuItem
               key={i18nActions.EXPORT_RULE}
               icon="exportAction"
-              disabled={!userHasPermissions || rule.immutable}
+              disabled={
+                !userHasPermissions ||
+                (isPrebuiltRulesCustomizationEnabled === false && rule.immutable)
+              }
               data-test-subj="rules-details-export-rule"
               onClick={async () => {
                 startTransaction({ name: SINGLE_RULE_ACTIONS.EXPORT });
@@ -203,21 +208,22 @@ const RuleActionsOverflowComponent = ({
           ]
         : [],
     [
-      bulkExport,
+      rule,
       canDuplicateRuleWithActions,
+      userHasPermissions,
+      isPrebuiltRulesCustomizationEnabled,
+      startTransaction,
       closePopover,
+      showBulkDuplicateExceptionsConfirmation,
       executeBulkAction,
       navigateToApp,
-      onRuleDeletedCallback,
-      rule,
-      showBulkDuplicateExceptionsConfirmation,
-      showManualRuleRunConfirmation,
-      startTransaction,
-      userHasPermissions,
+      bulkExport,
       downloadExportedRules,
-      confirmDeletion,
-      scheduleRuleRun,
+      showManualRuleRunConfirmation,
       telemetry,
+      scheduleRuleRun,
+      confirmDeletion,
+      onRuleDeletedCallback,
     ]
   );