fix: compatibility issues for currentStrategy.features is null (#17581)

web/app/components/workflow/nodes/agent/panel.tsx

       />
     </Field>
     <div className='px-4 py-2'>
-      {isChatMode && currentStrategy?.features.includes(AgentFeature.HISTORY_MESSAGES) && (
+      {isChatMode && currentStrategy?.features?.includes(AgentFeature.HISTORY_MESSAGES) && (
         <>
           <Split />
           <MemoryConfig