Escape installation title when displaying

(cherry picked from commit ca84d69)

application/view/layout/layout-admin.phtml

@@ -37,7 +37,7 @@ $this->trigger('view.layout');
         <a href="#content" class="skip"><?php echo $translate('Skip to main content'); ?></a>
         <div class="flex">
             <header>
-                <div class="logo"><a href="<?php echo $this->url('admin'); ?>"><?php echo $this->setting('installation_title', 'Omeka S'); ?></a></div>
+                <div class="logo"><a href="<?php echo $this->url('admin'); ?>"><?php echo $escape($this->setting('installation_title', 'Omeka S')); ?></a></div>
                 <div id="mobile-nav">
                     <a href="#" class="o-icon-menu button"><span class="screen-reader-text"><?php echo $translate('Navigation menu'); ?></span></a>
                     <a href="#" class="o-icon-search button"><span class="screen-reader-text"><?php echo $translate('Search site'); ?></span></a>

application/view/omeka/admin/index/browse.phtml

@@ -6,7 +6,7 @@ echo $this->pageTitle($translate('Admin dashboard'));
 
 <div id="dashboard">
     <?php echo $this->partial('common/version-notification'); ?>
-    <p><?php echo sprintf($translate('Welcome to the %s admin dashboard!'), $title); ?></p>
+    <p><?php echo sprintf($translate('Welcome to the %s admin dashboard!'), $this->escapeHtml($title)); ?></p>
     <?php $this->trigger('view.browse.before'); ?>
     <div id="manage-resources" class="panel">
         <h2><?php echo $translate('Manage resources'); ?></h2>

application/view/omeka/index/index.phtml

@@ -31,5 +31,5 @@ endforeach;
 <p><?php echo sprintf(
     $translate('Go to the %1$s to start working with %2$s.'),
     $this->hyperlink($translate('Admin dashboard'), $this->url('admin')),
-    $title
+    $this->escapeHtml($title)
 ); ?></p>