修改crossingDetailPanel中的步进控制方式下默认显示方案圆饼图

src/components/ui/CrossingDetailPanel.vue

@@ -108,8 +108,8 @@
                                 </div>
                             </div>
 
-                            <!-- 方案圆饼图：步进模式下不显示 -->
-                            <div class="donut-row" v-if="!showLockTime && currentMethod !== 'step'">
+                            <!-- 方案圆饼图 -->
+                            <div class="donut-row">
                                 <div class="donut-item">
                                     <div class="donut-title">实时方案（执行方案3）</div>
                                     <PlanDonutChart :chartData="realtimeDonutData"