trade：优化分销界面的 width 列宽度，和一些非空判断

src/views/mall/trade/brokerage/user/BrokerageOrderListDialog.vue

@@ -77,7 +77,7 @@
           align="center"
           prop="createTime"
           :formatter="dateFormatter"
-          width="170px"
+          width="180px"
         />
       </el-table>
       <!-- 分页 -->

src/views/mall/trade/brokerage/user/BrokerageUserListDialog.vue

@@ -67,7 +67,7 @@
           align="center"
           prop="bindUserTime"
           :formatter="dateFormatter"
-          width="170px"
+          width="180px"
         />
       </el-table>
       <!-- 分页 -->

src/views/mall/trade/brokerage/user/index.vue

@@ -109,7 +109,7 @@
         align="center"
         prop="brokerageTime"
         :formatter="dateFormatter"
-        width="170px"
+        width="180px"
       />
       <el-table-column label="上级推广员编号" align="center" prop="bindUserId" width="150px" />
       <el-table-column
@@ -117,7 +117,7 @@
         align="center"
         prop="bindUserTime"
         :formatter="dateFormatter"
-        width="170px"
+        width="180px"
       />
       <el-table-column label="操作" align="center" width="150px" fixed="right">
         <template #default="scope">