Migrate to shared alert in new project fields

app/views/projects/_new_project_fields.html.haml

@@ -35,8 +35,7 @@
     - link_start_group_path = '<a href="%{path}">' % { path: new_group_path }
     - project_tip = s_('ProjectsNew|Want to house several dependent projects under the same namespace? %{link_start}Create a group.%{link_end}') % { link_start: link_start_group_path, link_end: '</a>' }
     = project_tip.html_safe
-.gl-alert.gl-alert-success.gl-mb-4.gl-display-none.js-user-readme-repo
-  = sprite_icon('check-circle', size: 16, css_class: 'gl-icon gl-alert-icon gl-alert-icon-no-title')
+= render 'shared/global_alert', alert_class: "gl-mb-4 gl-display-none js-user-readme-repo", dismissible: false, variant: :success do
   .gl-alert-body
     - help_link_start = '<a href="%{url}" target="_blank" rel="noopener noreferrer">'.html_safe % { url: help_page_path('user/profile/index', anchor: 'add-details-to-your-profile-with-a-readme') }
     = html_escape(_('%{project_path} is a project that you can use to add a README to your GitLab profile. Create a public project and initialize the repository with a README to get started. %{help_link_start}Learn more.%{help_link_end}')) % { project_path: "<strong>#{current_user.username} / #{current_user.username}</strong>".html_safe, help_link_start: help_link_start, help_link_end: '</a>'.html_safe }