!2870 修复: 右键菜单超出的情况(初始化上次选择的索引)

src/Editor/GetKeyWordService.tsx

@@ -248,5 +248,7 @@ export class GetKeyWordsServices implements EditorService
         this.removeCalls.forEach(f => f());
         this.removeCalls.length = 0;
         this.m_PromisResolve(result);
+        // 初始化上次选择的索引
+        this.m_ShowChildrenIndex = -1;
     }
 }