refactor(wms/coil): 抽象排产单组件，复用排产单展示逻辑

1.  新增PlanSheetViewer通用排产单展示组件，支持图片、excel、普通文件预览和空状态
2.  改造TimeInput组件，修复绑定属性写法
3.  替换typing.vue、stepSplit.vue、split.vue、merge.vue中的旧排产单代码，统一使用新组件
4.  删除冗余的排产单相关API调用和本地数据逻辑

klp-ui/src/components/TimeInput.vue

@@ -2,9 +2,9 @@
   <div class="time-input-group">
     <el-date-picker v-model="dateValue" type="date" value-format="yyyy-MM-dd" placeholder="选择日期" style="width: 140px;" @change="updateDateTime" />
     <span class="time-separator">@</span>
-    <el-input-number :controls="false" v-model="hourValue" placeholder="时" min="0" max="23" style="width: 60px;" @change="updateDateTime" />
+    <el-input-number :controls="false" v-model="hourValue" placeholder="时" :min="0" :max="23" style="width: 60px;" @change="updateDateTime" />
     <span class="time-separator">:</span>
-    <el-input-number :controls="false" v-model="minuteValue" placeholder="分" min="0" max="59" style="width: 60px;" @change="updateDateTime" />
+    <el-input-number :controls="false" v-model="minuteValue" placeholder="分" :min="0" :max="59" style="width: 60px;" @change="updateDateTime" />
     <span class="time-separator">:00</span>
     <el-button v-if="showNowButton" type="text" size="small" @click="setToNow" style="margin-left: 8px;">此刻</el-button>
   </div>