Only preload svg shapes on homepage

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/web/views/page_view.ex

@@ -86,4 +86,9 @@ defmodule Mobilizon.Web.PageView do
   def language_direction(assigns) do
     assigns |> Map.get(:locale, "en") |> get_language_direction()
   end
+
+  @spec is_root(map()) :: boolean()
+  def is_root(assigns) do
+    assigns |> Map.get(:conn, %{request_path: "/"}) |> Map.get(:request_path, "/") == "/"
+  end
 end