[Fleet] Fix Set correct title for Restart upgrade agent modal under a…

…gent list (#192536)

## Summary

Fixes #179122 

The agent list determines the `isUpdating` status, should Use the
`isStuckInUpdating` method.

The same as the details page.

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>

x-pack/plugins/fleet/public/applications/fleet/sections/agents/agent_list_page/index.tsx

@@ -8,6 +8,8 @@ import React, { useState, useMemo, useCallback } from 'react';
 import { differenceBy, isEqual } from 'lodash';
 import { EuiSpacer, EuiPortal } from '@elastic/eui';
 
+import { isStuckInUpdating } from '../../../../../../common/services/agent_status';
+
 import type { Agent } from '../../../types';
 
 import {
@@ -348,7 +350,7 @@ export const AgentListPage: React.FunctionComponent<{}> = () => {
               setAgentToUpgrade(undefined);
               refreshAgents();
             }}
-            isUpdating={Boolean(agentToUpgrade.upgrade_started_at && !agentToUpgrade.upgraded_at)}
+            isUpdating={isStuckInUpdating(agentToUpgrade)}
           />
         </EuiPortal>
       )}