修复树视图导航多选报错问题

@CONTROL/树视图/CONTROL-BASE.vue.ftl

@@ -699,7 +699,7 @@ import UIService from '@/uiservice/ui-service';
                         this.selectedNodes = [this.currentselectedNode];
                     }else{
                         this.selectedNodes = this.selectedNodes.concat(checkedNodes);
-                        const tree: any = this.$refs.treeexpbar_tree;
+                        const tree: any = this.$refs.${ctrl.name};
                         tree.setCheckedNodes(this.selectedNodes);
                     }
                 }