[fix] fix a display problem in the image detail preview.

searx/static/themes/simple/src/less/detail.less

@@ -89,6 +89,7 @@ article.result-images .detail {
     p.result-url {
       white-space: nowrap;
       overflow-x: hidden;
+      overflow-y: hidden;
       text-overflow: ellipsis;
     }