Load sly-contribs immediately, after sly loads

To fix a load order issue with some sly plugins (like sly-macrostep) not
loading early enough, thus requiring the buffer be reloaded or reverted
to activate them.

modules/lang/common-lisp/config.el

@@ -23,6 +23,12 @@
       :definition #'sly-edit-definition
       :documentation #'sly-describe-symbol))
 
+  ;; HACK Ensures that sly's contrib modules are loaded as soon as possible, but
+  ;;      also as late as possible, so users have an opportunity to override
+  ;;      `sly-contrib' in an `after!' block.
+  (add-hook! 'doom-after-init-modules-hook
+    (after! sly (sly-setup)))
+
   :config
   (setq sly-mrepl-history-file-name (concat doom-cache-dir "sly-mrepl-history")
         sly-kill-without-query-p t