fix: shrunk header on mobile when interacting

- fixed the header on mobile shrinking upon selectiong an entry in the list

app.py

@@ -574,6 +574,7 @@ body {
         flex-wrap: nowrap;
         overflow: hidden;
         max-height: 25vh;
+        flex-shrink: 0;
     }
     #header-content h1 {
         font-size: 24px;