Redirect to login path also if user is disabled

+ update spec as well

app/controllers/spree/users_controller.rb

@@ -78,7 +78,7 @@ module Spree
 
     def load_object
       @user ||= spree_current_user
-      if @user
+      if @user && !@user.disabled
         authorize! params[:action].to_sym, @user
       else
         redirect_to main_app.login_path

spec/system/consumer/account_spec.rb

@@ -111,5 +111,16 @@ describe '
         expect(page).to have_content I18n.t(:you_have_no_orders_yet)
       end
     end
+
+    context "as a disabled user" do
+      before do
+        user.disabled = '1'
+      end
+
+      it "redirects to the login page" do
+        visit "/account"
+        expect(page).to have_current_path("/")
+      end
+    end
   end
 end