Add manage_leader_index privilege (#33154)

* Add manage_leader_index privilege

This commit adds the newly added manage_leader_index privilege.

* Iteration

* Update snaps

x-pack/plugins/security/public/services/role_privileges.js

@@ -42,6 +42,7 @@ const indexPrivileges = [
   'read_cross_cluster',
   'manage_follow_index',
   'manage_ilm',
+  'manage_leader_index',
 ];
 
 export function getClusterPrivileges() {

x-pack/plugins/security/public/services/shield_privileges.js

@@ -46,6 +46,7 @@ module.constant('shieldPrivileges', {
     'read_cross_cluster',
     'manage_follow_index',
     'manage_ilm',
+    'manage_leader_index',
   ],
   applications: []
 });

x-pack/plugins/security/public/views/management/edit_role/components/privileges/es/__snapshots__/index_privilege_form.test.tsx.snap

@@ -141,6 +141,10 @@ exports[`it renders without crashing 1`] = `
                     "isGroupLabelOption": false,
                     "label": "manage_ilm",
                   },
+                  Object {
+                    "isGroupLabelOption": false,
+                    "label": "manage_leader_index",
+                  },
                 ]
               }
               selectedOptions={Array []}