style: 增加工作流节点面板宽度 220px -> 280px

frontend/vue-demo/src/components/workflow/RuleWorkflow.vue

@@ -1109,7 +1109,7 @@ defineExpose({
 }
 
 .workflow-node-panel {
-  width: 220px;
+  width: 280px;
   flex-shrink: 0;
   background: white;
   border-right: 1px solid #e4e7ed;