fix(table): 修复日期格式化和表格列固定问题

- 修正日期格式从 YY-MM-DD 为 YYYY-MM-DD
- 修正日期时间格式从 YY-MM-DD HH:mm:ss 为 YYYY-MM-DD HH:mm:ss

cutejava-front/src/views/componentsDemo/advanced/CuteDragTableDemo.vue

@@ -33,7 +33,7 @@
       <el-table-column prop="description" label="描述" />
       <el-table-column prop="createTime" label="创建时间" sortable="custom" :formatter="FormatRowDateTimeStr" />
       <el-table-column prop="createBy" label="创建人" />
-      <el-table-column label="操作" width="150" min-width="150" fixed="right">
+      <el-table-column label="操作" width="150" min-width="150">
         <template v-slot="scope">
           <div>
             <el-button type="text" @click="onTableEditClick(scope.row)">编辑</el-button>

cutejava-front/src/views/componentsDemo/advanced/CuteDynamicTableDemo.vue

@@ -34,7 +34,7 @@
         <cute-button type="primary">导出</cute-button>
       </template>
       <template v-slot:operation>
-        <el-table-column label="操作" width="150" min-width="150" fixed="right">
+        <el-table-column label="操作" width="150" min-width="150">
           <template v-slot="scope">
             <div>
               <el-button type="text" @click="onTableEditClick(scope.row)">编辑</el-button>

cutejava-front/src/views/componentsDemo/advanced/CuteSimpleTableDemo.vue

@@ -33,7 +33,7 @@
       <el-table-column prop="description" label="描述" />
       <el-table-column prop="createTime" label="创建时间" sortable="custom" :formatter="FormatRowDateTimeStr" />
       <el-table-column prop="createBy" label="创建人" />
-      <el-table-column label="操作" width="150" min-width="150" fixed="right">
+      <el-table-column label="操作" width="150" min-width="150">
         <template v-slot="scope">
           <div>
             <el-button type="text" @click="onTableEditClick(scope.row)">编辑</el-button>