fix: menu click not trigger #1470

Author: tangjinzhou

components/vc-menu/SubPopupMenu.jsx

@@ -308,7 +308,6 @@ const SubPopupMenu = {
         this.instanceArrayKeyIndexMap[key] = Object.keys(this.instanceArrayKeyIndexMap).length;
       }
       const childListeners = getEvents(child);
-      const isSubMenu = child.componentOptions && child.componentOptions.Ctor.options.isSubMenu;
       const newChildProps = {
         props: {
           mode: childProps.mode || props.mode,
@@ -334,12 +333,12 @@ const SubPopupMenu = {
           ...extraProps,
         },
         on: {
-          click: isSubMenu
-            ? noop
-            : e => {
-                (childListeners.click || noop)(e);
-                this.onClick(e);
-              },
+          click: e => {
+            if ('keyPath' in e) {
+              (childListeners.click || noop)(e);
+              this.onClick(e);
+            }
+          },
           itemHover: this.onItemHover,
           openChange: this.onOpenChange,
           deselect: this.onDeselect,