refactor: Reduce init time }:)

- Greatly increase gc-cons-threshold.  This is the biggest win of this commit, shaving off about 400 ms.  The GC runs a single time during init.
- Sprinkle a few `:defer t`s throughout.

wwwwfeat: Configure Orderless

users/crumb/programs/emacs/init-straight.el

@@ -28,6 +28,6 @@
         (with-current-buffer url-buffer
           (goto-char (point-max))
           (eval-print-last-sexp))))
-    (load-file bootstrap-file))
+    (load bootstrap-file nil 'nomessage))
 
   (setq straight-use-package-by-default t))