[Bug Report] el-cascader There is no problem in the empty icon in the disabled state

### Element UI version
2.15.14

### OS/Browsers version
chrome 119.0.6045.159

### Vue version
2.7.15

### Reproduction Link
https://jsfiddle.net/flyhyy/vbdhe7p4/2/

### Steps to reproduce
设置 options属性 数据中某个值为disabled为true, props:{multiple: true, emitPath: false,checkStrictly: true } 并设置 clearable = true

en: Set a certain value in the Options property data to the Disabled to True, PROPS: {Multiple: TRUE, EMITPATH: FALSE, CheckStrictly: True} and set the clearable = true

### What is Expected?
有清空图标

en:There is an empty icon

### What is actually happening?
无清空图标
en: No empty icon