Move Liquid breadcrumbs conditional to its own line for readability

Co-authored-by: jeswr <63333554+jeswr@users.noreply.github.com>
Agent-Logs-Url: https://github.com/solid/solidproject.org/sessions/efb97971-4519-4801-a115-f81fc719f5f7

Author: Copilot

_layouts/default.html

@@ -37,7 +37,8 @@
     </header>
     <div class="event-banner" role="region" aria-label="Event announcement">
       <span aria-hidden="true">📣</span> <a href="https://solid26.org/">Solid26</a> — a new release of the Solid standard — launches at the <a href="https://sosy2026.eu/">Solid Symposium</a> (Apr 30 – May 1) · <a href="https://sosy2026.eu/">Solid Hackathon</a> (Apr 27 – 29) · London, 2026
-    </div>{% if page.breadcrumbs %}
+    </div>
+    {% if page.breadcrumbs %}
     <nav class="breadcrumb" aria-label="breadcrumbs">
       <ol>
         <li><a href="/">Home</a></li>