Fix null access with board body

client/components/boards/boardsList.js

@@ -8,10 +8,10 @@ Template.boardListHeaderBar.events({
 
 Template.boardListHeaderBar.helpers({
   templatesBoardId() {
-    return Meteor.user().getTemplatesBoardId();
+    return Meteor.user() && Meteor.user().getTemplatesBoardId();
   },
   templatesBoardSlug() {
-    return Meteor.user().getTemplatesBoardSlug();
+    return Meteor.user() && Meteor.user().getTemplatesBoardSlug();
   },
 });