fix(fleet): lock destination in readonly inquiry dialog

src/modules/overseas-master-data/components/CapacityInquiryDialog.vue

@@ -119,7 +119,7 @@ onBeforeUnmount(() => { generation++; customerSequence++; quoteSequence++; clear
     </section>
     <el-form label-position="top" class="density-form capacity-inquiry-form" :disabled="lock">
       <el-form-item label="委托客户" required><el-select v-model="form.customerId" filterable remote :remote-method="searchCustomers" :loading="customerLoading" :disabled="!!inquiry" placeholder="按客户编号或名称搜索" @focus="searchCustomers()"><el-option v-if="inquiry" :value="inquiry.customerId" :label="`${inquiry.customerCode} · ${inquiry.customerName}`" /><el-option v-for="customer in customers" :key="customer.id" :value="customer.id" :label="`${customer.code} · ${customer.name}`" /></el-select><span v-if="customerSearched && !customers.length">暂无可选客户</span></el-form-item>
-      <el-form-item label="本车卸货站" required><el-select v-model="form.cargo.destinationKey" :disabled="offer?.destinations.length === 1" placeholder="选择本车既有卸货站"><el-option v-for="stop in offer?.destinations || []" :key="stop.destinationKey" :value="stop.destinationKey" :label="stop.name" /><el-option v-if="!offer && inquiry" :value="inquiry.cargo.destinationKey" :label="inquiry.destinationLabel" /></el-select></el-form-item>
+      <el-form-item label="本车卸货站" required><el-select v-model="form.cargo.destinationKey" :disabled="lock || offer?.destinations.length === 1" placeholder="选择本车既有卸货站"><el-option v-for="stop in offer?.destinations || []" :key="stop.destinationKey" :value="stop.destinationKey" :label="stop.name" /><el-option v-if="!offer && inquiry" :value="inquiry.cargo.destinationKey" :label="inquiry.destinationLabel" /></el-select></el-form-item>
       <details class="capacity-inquiry-wide" :open="readonly || confirmMode"><summary>已知货量（可先填写，未知可留空）</summary><div class="capacity-inquiry-form">
       <el-form-item label="预计箱数"><el-input-number v-model="form.cargo.packageCount" :min="1" :precision="0" placeholder="未知可留空" /></el-form-item>
       <el-form-item label="预计实托数"><el-input-number v-model="form.expectedPalletCount" :min="1" :precision="0" placeholder="卡车确认承运前必填" /></el-form-item>