<!DOCTYPE html>
<html>
  <head>
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <% if content_for? :title %>
      <title><%= yield(:title) %></title>
    <% else %>
      <title>Feeder</title>
    <% end %>
    <%= csrf_meta_tags %>
  </head>

  <body>
  <div class="wrapper wrapper--admin">
    <%= render partial: 'partials/navbar' %>
    <div class="container">
      <div class="row">
        <div class="col-lg-12">
          <%= yield %>
        </div>
      </div>
    </div>
  </div>
  <%= render(partial: 'partials/yandex_metrika') if Rails.env.production? %>
  </body>
</html>

<!DOCTYPE html>
<html>
  <head>
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <title>Feeder</title>
    <%= csrf_meta_tags %>
  </head>

  <body>
  <div class="wrapper wrapper--admin">
    <%= render partial: 'partials/navbar' %>
    <div class="container">
      <div class="row">
        <div class="col-lg-12">
          <%= yield %>
        </div>
      </div>
    </div>
  </div>
  <%= render(partial: 'partials/yandex_metrika') if Rails.env.production? %>
  </body>
</html>

Remove unused page title condition
Remove unused page title condition

Since client-side will be based on React, it would be better to handle page title update with react-helmet or similar tool.
