fix(测试跟踪): 附件部分信息显示错乱

--bug=1023997 --user=宋昌昌 测试用例上传附件样式错乱 https://www.tapd.cn/55049933/s/1345503

test-track/frontend/src/business/case/components/case/CaseAttachmentItem.vue

@@ -405,13 +405,10 @@ export default {
       }
       .file-info-row {
         display: flex;
+        font-size: px2rem(12);
         line-height: px2rem(20);
         height: px2rem(20);
         color: #8f959e;
-        flex-direction: row;
-        flex-wrap: nowrap;
-        align-items: center;
-
         .size {
         }