[Bug Report] when messageBox‘s render function use a observable data, it can't update the ui

### Element UI version
2.15.0

### OS/Browsers version
window 10/chrome 123.0.6312.123

### Vue version
2.7.16

### Reproduction Link
https://codepen.io/rixpvgpn-the-decoder/pen/GRLYOLv

### Steps to reproduce
switch the radio button value

### What is Expected?
the check status changed

### What is actually happening?
the check status not changed