集群内事件页面部分时间展示不正确

[JiaYongfei]

What happened:

What you expected to happen:

How to reproduce it (as minimally and precisely as possible):

Anything else we need to know?:

Environment:

• TKE version:
• Global or business cluster:
• Kubernetes version (use kubectl version):
• Install addons:
• Others:

[wl-chen]

events scheduled content firstTimestamp and lastTimestamp null，display wrong time