feat: 分部、分项的底色互换

TASK #3523

web/building_saas/main/js/views/project_view.js

@@ -2151,11 +2151,11 @@ var projectObj = {
             }
             //分部
             if(node.data.type === billType.FB){
-                styleMap = mapping.FB;
+                styleMap = mapping.FX;
             }
             //分项
             else if(node.data.type === billType.FX){
-                styleMap = mapping.FX;
+                styleMap = mapping.FB;
             }
             //补项
             else if(node.data.type === billType.BX){