Manually finalize straight transactions

Straight expects to be used interactively, which don't do (yet). Its
transactional system depends on idle timers, which don't run in a
noninteractive session, so we have to nudge it ourselves.

core/cli/packages.el

@@ -6,6 +6,7 @@
      (doom-reload-core-autoloads)
      (when (progn ,@body)
        (doom-reload-package-autoloads 'force-p))
+     (doom--finalize-straight)
      t))