fix(web): «Desde tu última visita» keeps its four numbers in line

Each number sat under its label, and in a narrow panel «Vueltos de QA»
takes two lines, so its number fell lower than the others. The numbers
go on top now (the markup stays label then value).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

libs/web/tracker/presenters/src/lib/ui/insights/changes-since.ts

@@ -60,15 +60,24 @@ import { timeAgo } from '../copy';
       grid-template-columns: repeat(4, minmax(0, 1fr));
       gap: 0.5rem;
       margin: 0 0 0.75rem;
+      /* The number on top: all four in line even when a label («Vueltos de
+         QA») takes two lines in a narrow panel. */
+      > div {
+        display: flex;
+        flex-direction: column;
+      }
       dt {
         color: var(--ts-muted);
         font-size: 0.75rem;
+        line-height: 1.3;
       }
       dd {
+        order: -1;
         margin: 0;
         font-family: var(--ts-font-mono);
         font-size: 1.25rem;
         font-weight: 600;
+        line-height: 1.3;
       }
     }
     h3 {