fix(components): [select] solve memory leak (#19709)

fix(components): solve memory leak

Watching the value of an attribute of an option can lead to a memory leak

closed #19680

Co-authored-by: 张东 <A80784@internet.com>

packages/components/select/src/useOption.ts

@@ -1,6 +1,6 @@
 // @ts-nocheck
 import { computed, getCurrentInstance, inject, toRaw, watch } from 'vue'
-import { get } from 'lodash-unified'
+import { get, isEqual } from 'lodash-unified'
 import { ensureArray, escapeStringRegexp, isObject } from '@element-plus/utils'
 import { selectGroupKey, selectKey } from './token'
 
@@ -77,8 +77,8 @@ export function useOption(props, states) {
     () => props.value,
     (val, oldVal) => {
       const { remote, valueKey } = select.props
-
-      if (val !== oldVal) {
+      const shouldUpdate = remote ? val !== oldVal : !isEqual(val, oldVal)
+      if (shouldUpdate) {
         select.onOptionDestroy(oldVal, instance.proxy)
         select.onOptionCreate(instance.proxy)
       }