Geo Nodes - Title Spacing

This corrects the spacing bug when the new
button isn't visible.

ee/app/views/admin/geo/nodes/index.html.haml

@@ -5,7 +5,7 @@
 = render partial: 'admin/geo/shared/license_alert'
 
 .d-flex.align-items-center.border-bottom.border-default.mb-4
-  %h2.page-title
+  %h3{ :class => "page-title gl-mb-5!" }
     = _("Geo Nodes")
   - if @nodes.any?
     = link_to s_("GeoNodes|New node"), new_admin_geo_node_path, class: 'btn btn-success ml-auto qa-new-node-link'