BI-119217 fix: 【6.0.6冒烟】等比自适应-高清屏-宽度自适应预览，下拉树查看已选展示异常

src/core/platform/web/dom.js

@@ -710,7 +710,7 @@
                     break;
             }
             if (needAdaptHeight === true) {
-                popup.resetHeight && popup.resetHeight(Math.min(viewportBounds.height - position.top + (positionRelativeElement ? positionRelativeElement.getBoundingClientRect().top : 0), maxHeight));
+                popup.resetHeight && popup.resetHeight(Math.min(viewportBounds.height - position.top - (positionRelativeElement ? positionRelativeElement.getBoundingClientRect().top : 0), maxHeight));
             }
             return position;
         },