more migration of fa user favs to own table

app/models/domain/user_post_fav/fa_user_post_fav.rb

@@ -21,6 +21,14 @@ class Domain::UserPostFav::FaUserPostFav < Domain::UserPostFav
 
   validates :fa_fav_id, uniqueness: true, if: :fa_fav_id?
 
+  before_save :set_inferred_time
+  sig { void }
+  def set_inferred_time
+    if (e = explicit_time)
+      self.inferred_time = e
+    end
+  end
+
   sig(:final) { override.returns(T.nilable(FavedAt)) }
   def faved_at
     if (e = explicit_time)

app/views/domain/posts/index_type_headers/_user_created.html.erb

@@ -1,5 +1,5 @@
 <h1 class="text-2xl">
   <%= link_to user.name_for_view, domain_user_path(user), class: "text-blue-600 hover:text-blue-800" %>'s posts
   <%= page_str(params) %>
-  (<%= posts.total_count %> total)
+  (<%= relation.total_count %> total)
 </h1>