style(dropdown-item): when disabled its mouse style should be disabled (#1603)

packages/dropdown/src/dropdown-item.vue

@@ -33,6 +33,8 @@ export default defineComponent({
     const _instance = getCurrentInstance()
 
     function handleClick(e: UIEvent) {
+      // if disabled don't collapse the drop-down list
+      if(props.disabled) return
       if (elDropdown.hideOnClick.value) {
         elDropdown.handleClick?.()
       }

packages/theme-chalk/src/dropdown.scss

@@ -137,9 +137,8 @@
     }
 
     @include when(disabled) {
-      cursor: default;
+      cursor: not-allowed;
       color: $--font-color-disabled-base;
-      pointer-events: none;
     }
   }