Add a proper title to moderation index pages

Since this is already a component, we can use the `header` method
without much refactoring.

app/components/moderation/shared/index_component.html.erb

@@ -1,4 +1,4 @@
-<h2><%= t("moderation.#{i18n_namespace}.index.title") %></h2>
+<%= header %>
 
 <%= render "shared/filter_subnav", i18n_namespace: "moderation.#{i18n_namespace}.index" %>
 

app/components/moderation/shared/index_component.rb

@@ -1,4 +1,5 @@
 class Moderation::Shared::IndexComponent < ApplicationComponent
+  include Header
   attr_reader :records
 
   def initialize(records)
@@ -7,6 +8,10 @@ class Moderation::Shared::IndexComponent < ApplicationComponent
 
   private
 
+    def title
+      t("moderation.#{i18n_namespace}.index.title")
+    end
+
     def i18n_namespace
       table_name
     end

app/components/moderation/users/index_component.html.erb

@@ -1,6 +1,6 @@
 <% provide :main_class, "moderation-users-index" %>
 
-<h2><%= t("moderation.users.index.title") %></h2>
+<%= header %>
 
 <%= render Admin::SearchComponent.new(label: t("moderation.users.index.search_placeholder")) %>
 

app/components/moderation/users/index_component.rb

@@ -1,4 +1,5 @@
 class Moderation::Users::IndexComponent < ApplicationComponent
+  include Header
   attr_reader :users
 
   def initialize(users)
@@ -7,6 +8,10 @@ class Moderation::Users::IndexComponent < ApplicationComponent
 
   private
 
+    def title
+      t("moderation.users.index.title")
+    end
+
     def status(user)
       t("admin.activity.show.actions.#{activity_action(user)}")
     end