Update html title

Author: bherr2

src/finalizing/templates/index-html.njk

@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <link rel="icon" type="image/png" href="https://humanatlas.io/favicon.png" />
 
-    <title>{{ title }}, {{ version }}</title>
+    <title>{{ was_derived_from.title }}, {{ version }}</title>
     {% if includeBaseHref %}
     <base href="{{ iri }}/">
     {% endif %}