refactor(table): 更新表格组件模板语法和优化配置

- 将所有 slot-scope 语法替换为 v-slot 语法以符合 Vue 3 标准
- 移除 CuteDragTableDemo 和 CuteSimpleTableDemo 中的冗余 operateColumn 配置
- 修复 CuteVerticalScrollBarDemo 组件名称错误
- 更新组件演示页面中的组件引用和导入配置
- 移除系统管理模块中过时的属性定义
- 优化表格列的模板渲染方式，提升性能和可维护性

cutejava-front/src/views/system/storage/local/index.vue

@@ -76,7 +76,7 @@
     >
       <el-table-column type="selection" width="55" />
       <el-table-column prop="name" label="文件名">
-        <template slot-scope="scope">
+        <template v-slot="scope">
           <el-popover
             :content="'file/' + scope.row.dateGroup + '/' + scope.row.realName"
             placement="top-start"
@@ -97,10 +97,10 @@
         </template>
       </el-table-column>
       <el-table-column prop="path" label="预览图">
-        <template slot-scope="{row}">
+        <template v-slot="scope">
           <el-image
-            :src=" baseApi + '/file/' + row.dateGroup + '/' + row.realName"
-            :preview-src-list="[baseApi + '/file/' + row.dateGroup + '/' + row.realName]"
+            :src=" baseApi + '/file/' + scope.row.dateGroup + '/' + scope.row.realName"
+            :preview-src-list="[baseApi + '/file/' + scope.row.dateGroup + '/' + scope.row.realName]"
             fit="contain"
             lazy
             class="el-avatar"

cutejava-front/src/views/system/storage/oss/index.vue

@@ -81,7 +81,7 @@
       <el-table-column prop="createBy" label="操作人" />
       <el-table-column prop="createTime" label="创建日期" />
       <el-table-column label="操作" fixed="right">
-        <template slot-scope="scope">
+        <template v-slot="scope">
           <el-button id="ossFileUrl" type="text" @click="handleCopyFileUrl(scope.row.fileUrl)">复制链接</el-button>
         </template>
       </el-table-column>