fix: 销售与采购的对账单款项类型支持为空创建，但是不能修改

src/views/purchasingManage/purchaseOrder/accountstatement/components/payablesInfo.vue

@@ -39,7 +39,7 @@
               v-model="scope.row.fundType"
               placeholder="请选择"
               class="ele-block"
-              :disabled="isView"
+              :disabled="isView || dialogType === 'edit'"
               @change="(val) => updateRowField(scope.$index, 'fundType', val)"
             >
               <el-option
@@ -200,7 +200,6 @@
             label: '款项类型',
             align: 'center',
             slot: 'fundType',
-            headerSlot: 'columnRequired'
           },
           {
             prop: 'transactionMode',

src/views/saleManage/saleOrder/accountstatement/components/receivableInfo.vue

@@ -33,18 +33,13 @@
         <template v-slot:fundType="scope">
           <el-form-item
             :prop="'receivableList.' + scope.$index + '.fundType'"
-            :rules="{
-              required: true,
-              message: '请选择款项类型',
-              trigger: 'change'
-            }"
             label-width="0"
           >
             <el-select
               v-model="scope.row.fundType"
               placeholder="请选择"
               class="ele-block"
-              :disabled="isView"
+              :disabled="isView || dialogType === 'update'"
               @change="(val) => updateRowField(scope.$index, 'fundType', val)"
             >
               <el-option
@@ -208,7 +203,6 @@
             label: '款项类型',
             align: 'center',
             slot: 'fundType',
-            headerSlot: 'columnRequired'
           },
           {
             prop: 'transactionMode',