Merge branch 'bugfix/32205' into 'master'

Prevent wrapping on diff line number to avoid perceived empty lines

See merge request gitlab-org/gitlab!19190

app/assets/stylesheets/pages/diff.scss

@@ -473,6 +473,7 @@ table.code {
       text-align: right;
       width: 50px;
       position: relative;
+      white-space: nowrap;
 
       a {
         transition: none;