Replace title attribute in project sidebar for aria-label

In this commit we replace, in the project sidebar refactor, the
title attribute in favour of aria-label one.

app/models/concerns/sidebars/container_with_html_options.rb

@@ -7,7 +7,7 @@ module Sidebars
     # `link_to` or the div containing the container.
     def container_html_options
       {
-        title: title
+        aria: { label: title }
       }.merge(extra_container_html_options)
     end
 

app/models/sidebars/projects/menus/project_overview/menu_items/details.rb

@@ -14,7 +14,7 @@ module Sidebars
             override :extra_container_html_options
             def extra_container_html_options
               {
-                title: _('Project details'),
+                aria: { label: _('Project details') },
                 class: 'shortcuts-project'
               }
             end

app/views/shared/nav/_sidebar_menu.html.haml

@@ -15,7 +15,7 @@
 
   %ul.sidebar-sub-level-items{ class: ('is-fly-out-only' unless sidebar_menu.has_items?) }
     = nav_link(**sidebar_menu.all_active_routes, html_options: { class: 'fly-out-top-item' } ) do
-      = link_to sidebar_menu.link, title: sidebar_menu.title do
+      = link_to sidebar_menu.link, aria: { label: sidebar_menu.title } do
         %strong.fly-out-top-item-name
           = sidebar_menu.title
         - if sidebar_menu.has_pill?

spec/models/concerns/sidebars/container_with_html_options_spec.rb

@@ -14,8 +14,8 @@ RSpec.describe Sidebars::ContainerWithHtmlOptions do
   end
 
   describe '#container_html_options' do
-    it 'includes title attribute' do
-      expect(subject.container_html_options).to eq(title: 'Foo')
+    it 'includes by default aria-label attribute' do
+      expect(subject.container_html_options).to eq(aria: { label: 'Foo' })
     end
   end
 end

spec/views/layouts/nav/sidebar/_project.html.haml_spec.rb

@@ -23,6 +23,7 @@ RSpec.describe 'layouts/nav/sidebar/_project' do
       render
 
       expect(rendered).to have_link('Project overview', href: project_path(project), class: %w(shortcuts-project rspec-project-link))
+      expect(rendered).to have_selector('[aria-label="Project overview"]')
     end
 
     describe 'Details' do
@@ -30,6 +31,7 @@ RSpec.describe 'layouts/nav/sidebar/_project' do
         render
 
         expect(rendered).to have_link('Details', href: project_path(project), class: 'shortcuts-project')
+        expect(rendered).to have_selector('[aria-label="Project details"]')
       end
     end