fix(hooks): rendering multiple popper container DOM in SSR/SSG (#18482)

packages/hooks/use-popper-container/index.ts

@@ -3,8 +3,6 @@ import { isClient } from '@element-plus/utils'
 import { useGetDerivedNamespace } from '../use-namespace'
 import { useIdInjection } from '../use-id'
 
-let cachedContainer: HTMLElement
-
 export const usePopperContainerId = () => {
   const namespace = useGetDerivedNamespace()
   const idInjection = useIdInjection()
@@ -37,10 +35,9 @@ export const usePopperContainer = () => {
     // for this we need to disable the caching since it's not really needed
     if (
       process.env.NODE_ENV === 'test' ||
-      !cachedContainer ||
       !document.body.querySelector(selector.value)
     ) {
-      cachedContainer = createContainer(id.value)
+      createContainer(id.value)
     }
   })