only show public and active identities on home page

lib/chiya_web/controllers/page_html/home.html.heex

@@ -8,7 +8,7 @@
 
   <div class="w-full mt-6 sm:w-auto">
     <div class="flex gap-4 text-sm leading-6 text-theme-base">
-      <%= for identity <- @identities do %>
+      <%= for identity <- @public_identities do %>
         <div>
           <a
             rel={identity.rel}

lib/chiya_web/global_assigns.ex

@@ -8,7 +8,10 @@ defmodule ChiyaWeb.GlobalAssigns do
 
   def fetch_identities(conn, _opts) do
     identities = Chiya.Identities.list_identities()
-    assign(conn, :identities, identities)
+
+    conn
+    |> assign(:identities, identities)
+    |> assign(:public_identities, Enum.filter(identities, fn i -> i.public && i.active end))
   end
 
   def fetch_public_channels(conn, _opts) do