fix(admin): 完善弹窗滚动与表单交互布局

src/modules/overseas-business/components/ProcurementNodeActions.vue

@@ -235,7 +235,7 @@ async function upload(event: Event) {
           <el-form-item v-if="needsAmount || needsEvidence" label="本单凭证" required><el-select v-model="form.voucherFileId" placeholder="选择已上传凭证"><el-option v-for="file in files" :key="file.fileId" :value="file.fileId" :label="file.fileName" /></el-select><input aria-label="上传本单凭证" type="file" accept="application/pdf,image/jpeg,image/png" :disabled="uploading || (!!pending && !editingDraft) || saving" @change="upload" /></el-form-item>
           <el-form-item label="操作说明" required><el-input v-model="form.reason" type="textarea" :rows="3" maxlength="1000" show-word-limit /></el-form-item>
         </el-form><el-alert v-if="error" :title="error.message" type="error" :closable="false" /><ApiErrorMeta v-if="error" :details="error" /></template>
-      <template #footer><el-button :disabled="saving || uploading" @click="opened = false">关闭</el-button><el-button v-if="editingDraft" :disabled="!!pending || !!storageError || saving || uploading" @click="useCorrectionDraft">核对并继续确认</el-button><el-button type="primary" :loading="saving" :disabled="uploading || warehouseLoading || (!editingDraft && !!storageError) || !key" @click="submit">{{ editingDraft ? '保存本地草稿' : pending ? '重试原请求' : '确认提交' }}</el-button></template>
+      <template #footer><div class="density-actions density-actions--footer"><el-button :disabled="saving || uploading" @click="opened = false">关闭</el-button><el-button v-if="editingDraft" :disabled="!!pending || !!storageError || saving || uploading" @click="useCorrectionDraft">核对并继续确认</el-button><el-button type="primary" :loading="saving" :disabled="uploading || warehouseLoading || (!editingDraft && !!storageError) || !key" @click="submit">{{ editingDraft ? '保存本地草稿' : pending ? '重试原请求' : '确认提交' }}</el-button></div></template>
     </AppDialog>
   </section>
 </template>