style(table): 全站文件名列添加省略号与溢出隐藏

- 统一给文件名相关的 el-table-column 添加 class-name="is-ellipsis-link"
- 解决了 el-link 为 flex 项导致列宽撑破的问题
- 在样式中新增 is-ellipsis-link 规则，实现文本溢出省略号效果
- 保证超长文件名不会破坏表格布局且能完整展示链接提示
- 适用于业务多个组件中涉及附件、文件名等长文本列的处理

src/views/settlement/components/formal-settlement-editor.vue

@@ -298,7 +298,13 @@
               <span v-else>{{ attachmentTypeName(row.type) }}</span>
             </template>
           </el-table-column>
-          <el-table-column label="文件名" min-width="220" align="left" show-overflow-tooltip>
+          <el-table-column
+            label="文件名"
+            min-width="220"
+            align="left"
+            show-overflow-tooltip
+            class-name="is-ellipsis-link"
+          >
             <template #default="{ row }">
               <el-link
                 :disabled="!getAttachmentUrl(row)"

src/views/settlement/components/pre-settlement-editor.vue

@@ -354,7 +354,12 @@
                 <span v-else>{{ attachmentTypeName(row.type) }}</span>
               </template>
             </el-table-column>
-            <el-table-column label="文件名称" min-width="260" show-overflow-tooltip>
+            <el-table-column
+              label="文件名称"
+              min-width="260"
+              show-overflow-tooltip
+              class-name="is-ellipsis-link"
+            >
               <template #default="{ row }">
                 <el-link type="primary" @click="previewAttachment(row)">
                   {{ attachmentName(row) }}

src/views/settlement/components/settlement-adjustment-editor.vue

@@ -193,7 +193,12 @@
         <el-table :data="attachments" border @selection-change="selectedAttachments = $event">
           <el-table-column type="selection" width="55" align="center" />
           <el-table-column type="index" label="序号" width="64" align="center" />
-          <el-table-column label="文件名" min-width="220" show-overflow-tooltip>
+          <el-table-column
+            label="文件名"
+            min-width="220"
+            show-overflow-tooltip
+            class-name="is-ellipsis-link"
+          >
             <template #default="{ row }">
               <el-link type="primary" @click="previewAttachment(row)">
                 {{ attachmentName(row) }}