fix cashier page height & breadcrumb helper

app/helpers/breadcrumb_helper.rb

@@ -0,0 +1,21 @@
+module BreadcrumbHelper
+
+  def ensure_breadcrumb
+      @breadcrumb ||= [ { :title => t("views.right_panel.button.home"), :url => dashboard_path } ]
+  end
+
+  def back
+    @back ||= []
+  end
+
+  def breadcrumb_add(title, url, back_url, act_name = nil)
+    ensure_breadcrumb << { :title => title, :url => url }
+    ensure_breadcrumb << { :title => act_name, :url => '' } if act_name.present?
+
+    back << {url: back_url} if back_url.present?
+  end
+
+  def render_breadcrumb
+    render :partial => 'shared/breadcrumb', :locals => { :nav => ensure_breadcrumb, :back => back }
+  end
+end