ddlist: fix animation issues

The wrong animation function was used for the delete, and so the animation was never deleted.
Must force animation callback on delete, so that the correct selection highlighting is shown.

src/lv_objx/lv_ddlist.c

@@ -847,8 +847,9 @@ static void lv_ddlist_refr_size(lv_obj_t * ddlist, bool anim_en)
         lv_ddlist_pos_current_option(ddlist);
         if(ext->opened) lv_page_set_sb_mode(ddlist, LV_SB_MODE_UNHIDE);
 #if LV_USE_ANIMATION
-        lv_anim_del(ddlist, (lv_anim_fp_t)lv_obj_set_height); /*If an animation is in progress then
+        lv_anim_del(ddlist, (lv_anim_fp_t)lv_ddlist_adjust_height); /*If an animation is in progress then
                                                                  it will overwrite this changes*/
+        lv_ddlist_anim_cb(ddlist); /*Force animation complete to fix highlight selection*/
     } else {
         lv_anim_t a;
         a.var            = ddlist;