fix(components): [dialog] should emit open event after nextTick (#9209)

* fix(components): [dialog] should emit open event after nextTick

* test: update drawer unit test

packages/components/dialog/src/use-dialog.ts

@@ -148,10 +148,10 @@ export const useDialog = (
         closed.value = false
         open()
         rendered.value = true // enables lazy rendering
-        emit('open')
         zIndex.value = props.zIndex ? zIndex.value++ : nextZIndex()
         // this.$el.addEventListener('scroll', this.updatePopper)
         nextTick(() => {
+          emit('open')
           if (targetRef.value) {
             targetRef.value.scrollTop = 0
           }

packages/components/drawer/__tests__/drawer.test.ts

@@ -355,6 +355,7 @@ describe('Drawer', () => {
 
     vm.visible = true
     await nextTick()
+    await nextTick()
     expect(open).toHaveBeenCalled()
     drawer.afterEnter()
     expect(opened).toHaveBeenCalled()