fix logo image alt

ot_templating/Resources/Private/Partials/Topbar.html

@@ -18,7 +18,7 @@
         <f:then>
             <div class="topbar-network-logo">
                 <a href="{settings.networkUrl}" target="_blank">
-                    <img src="{settings.networkLogoUrl}" alt="{networkName}" />
+                    <img src="{settings.networkLogoUrl}" alt="{settings.networkName}" />
                 </a>
             </div>
         </f:then>