Account for `@project.description` being nil

app/helpers/page_layout_helper.rb

@@ -40,7 +40,7 @@ module PageLayoutHelper
   # a view
   def page_description_default
     if @project
-      @project.description
+      @project.description || brand_title
     else
       brand_title
     end

spec/helpers/page_layout_helper_spec.rb

@@ -37,6 +37,14 @@ describe PageLayoutHelper do
       expect(helper.page_description_default).to eq 'Project Description'
     end
 
+    it 'uses brand_title when Project description is nil' do
+      project = double(description: nil)
+      helper.instance_variable_set(:@project, project)
+
+      expect(helper).to receive(:brand_title).and_return('Brand Title')
+      expect(helper.page_description_default).to eq 'Brand Title'
+    end
+
     it 'falls back to brand_title' do
       allow(helper).to receive(:brand_title).and_return('Brand Title')