fix(dropdown): scrollable menu animation

src/dropdown/src/Dropdown.tsx

@@ -250,7 +250,9 @@ export default defineComponent({
     })
     // watch
     watch(mergedShowRef, (value) => {
-      if (!value) clearPendingState()
+      if (!props.animated && !value) {
+        clearPendingState()
+      }
     })
     // methods
     function doSelect (key: Key, node: DropdownOption): void {
@@ -411,6 +413,10 @@ export default defineComponent({
       // show
       mergedShow: mergedShowRef,
       // methods
+      handleAfterLeave: () => {
+        if (!props.animated) return
+        clearPendingState()
+      },
       doUpdateShow,
       cssVars: inlineThemeDisabled ? undefined : cssVarsRef,
       themeClass: themeClassHandle?.themeClass,
@@ -458,6 +464,7 @@ export default defineComponent({
       show: this.mergedShow,
       theme: mergedTheme.peers.Popover,
       themeOverrides: mergedTheme.peerOverrides.Popover,
+      internalOnAfterLeave: this.handleAfterLeave,
       internalRenderBody: renderPopoverBody,
       onUpdateShow: this.doUpdateShow,
       'onUpdate:show': undefined

src/popover/src/Popover.tsx

@@ -199,6 +199,7 @@ export const popoverBaseProps = {
 export const popoverProps = {
   ...(useTheme.props as ThemeProps<PopoverTheme>),
   ...popoverBaseProps,
+  internalOnAfterLeave: Function as PropType<() => void>,
   internalRenderBody: Function as PropType<InternalRenderBody>
 }
 

src/popover/src/PopoverBody.tsx

@@ -69,6 +69,7 @@ export const popoverBodyProps = {
   animated: Boolean,
   onClickoutside: Function as PropType<(e: MouseEvent) => void>,
   internalTrapFocus: Boolean,
+  internalOnAfterLeave: Function as PropType<() => void>,
   // deprecated
   minWidth: Number,
   maxWidth: Number
@@ -447,6 +448,7 @@ export default defineComponent({
                   this.followerEnabled = true
                 }}
                 onAfterLeave={() => {
+                  this.internalOnAfterLeave?.()
                   this.followerEnabled = false
                   this.displayed = false
                 }}