Move Enabled to top as it's the master control of all email. Description not really needed.

config/description.exs

@@ -215,6 +215,10 @@ config :pleroma, :config_description, [
     description: "Mailer-related settings",
     children: [
       %{
+        key: :enabled,
+        type: :boolean,
+      },
+      %{
         key: :adapter,
         type: :module,
         description:
@@ -235,11 +239,6 @@ config :pleroma, :config_description, [
         ]
       },
       %{
-        key: :enabled,
-        type: :boolean,
-        description: "Pleroma Email sending capability"
-      },
-      %{
         group: {:subgroup, Swoosh.Adapters.SMTP},
         key: :relay,
         type: :string,