Merge pull request #239192 in DEC/fineui from master to feature/x

* commit 'da60173b2ead4419d5ac89643d0b21e73f8ed5b2':
  BI-128988 fix: 【来源PT项目】文本过滤组件文本列表勾选状态异常

packages/fineui/src/widget/multiselect/loader.js

@@ -192,6 +192,11 @@ export class MultiSelectInnerLoader extends Widget {
                 this.next.setEnd();
             }
         }
+        //  cacheGroup渲染的是全量的,如果这次加载更多add的items是从cacheItems里面拿的,那不用再add了
+        if (this.cachItems.length > 0) {
+            this.button_group.addItems(...arguments);
+            return;
+        }
         const renderEngine = Widget._renderEngine;
         Widget.registerRenderEngine(Element.renderEngine);
         this.cachGroup.addItems(...arguments);
@@ -220,13 +225,6 @@ export class MultiSelectInnerLoader extends Widget {
         this.times = 1;
         this.count = 0;
         this.count += items.length;
-        if (isObject(this.next)) {
-            if (this.hasNext()) {
-                this.next.setLoaded();
-            } else {
-                this.next.invisible();
-            }
-        }
 
         return true;
     }
@@ -243,6 +241,15 @@ export class MultiSelectInnerLoader extends Widget {
             this.cachGroup.populate.call(this.cachGroup, items, keyword);
             Widget.registerRenderEngine(renderEngine);
             this.button_group.populate.call(this.button_group, items.slice(0, firstItemsCount), keyword);
+
+            //  hasNext依赖的是cacheItems计算,所以从_populate挪到populate里面
+            if (isObject(this.next)) {
+                if (this.hasNext()) {
+                    this.next.setLoaded();
+                } else {
+                    this.next.invisible();
+                }
+            }
         }
     }