Move code to show the node that you are logged into a helper method

app/helpers/ee/geo_helper.rb

 module EE
   module GeoHelper
+    def current_node?(node)
+      ::Gitlab::Geo.current_node == node
+    end
+
     def node_status_icon(node)
       unless node.primary?
         status = node.enabled? ? 'healthy' : 'disabled'

app/views/admin/geo_nodes/index.html.haml

@@ -22,7 +22,7 @@
             %strong= node.url
             - if node.primary?
               .node-badge.primary-node Primary
-            - if Gitlab::Geo.current_node == node
+            - if current_node?(node)
               .node-badge.current-node Current node
               %span.help-block Primary node
             - else