Replace navbar logo with AGP version

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: wasade

microsetta_interface/templates/sitebase.jinja2

@@ -141,7 +141,7 @@
     {% if not admin_mode and not hide_header %}
     <nav class="navbar fixed-top navbar-light bg-white shadow">
         <a class="navbar-brand" href="/home" title="microsetta.ucsd.edu">
-            <img src="/static/img/logo-co.png" class="logo-co"/>
+            <img src="/static/img/logo-co-agp.png" class="logo-co"/>
         </a>
         {% if show_tips_icon %}
             <a href="#" onClick="return openModalSiteBase();">