Ensure the applciation_name from localize file is applied to titles

Author: yzhoubk

app/views/layouts/blacklight/base.html.erb

@@ -47,7 +47,7 @@
         <%= render partial: 'shared/header_navbar' %>
         <main id="main-container" class="<%= container_classes %>" role="main" aria-label="<%= t('blacklight.main.aria.main_container') %>">
             <%= content_for(:container_header) || content_tag(:div, class: "sr-only visually-hidden") do
-               if render_page_title == "UC Berkeley GeoData" 
+               if render_page_title == t('blacklight.application_name')
                   content_tag(:h1, render_page_title) + content_tag(:h2, render_page_title + " Categories")
                else 
                   content_tag(:h1, render_page_title)