Use async to load the module when starting lexical

async has no effect on other features, and `Code.ensure_all_loaded` is a faster way of loading

apps/server/lib/lexical/server/boot.ex

@@ -4,6 +4,8 @@ defmodule Lexical.Server.Boot do
 
   Packaging will ensure that config.exs and runtime.exs will be visible to the `:code` module
   """
+
+  alias Future.Code
   alias Lexical.VM.Versions
   require Logger
 
@@ -21,8 +23,6 @@ defmodule Lexical.Server.Boot do
     load_config()
     Application.ensure_all_started(:logger)
 
-    Enum.each(@dep_apps, &load_app_modules/1)
-
     case detect_errors() do
       [] ->
         :ok
@@ -34,6 +34,12 @@ defmodule Lexical.Server.Boot do
     end
 
     Application.ensure_all_started(:server)
+
+    Task.async(fn ->
+      # credo:disable-for-next-line Credo.Check.Design.TagTODO
+      # TODO: When autocompletion no longer relies on ElixirSense, delete this loading logic.
+      Enum.each(@dep_apps, &load_app_modules/1)
+    end)
   end
 
   @doc false
@@ -79,7 +85,7 @@ defmodule Lexical.Server.Boot do
     Application.ensure_loaded(app_name)
 
     with {:ok, modules} <- :application.get_key(app_name, :modules) do
-      Enum.each(modules, &Code.ensure_loaded!/1)
+      Code.ensure_all_loaded!(modules)
     end
   end