fix(literate): detect symlinked literate config files

`file-in-directory-p` already resolves symlinks, but on the off chance
that `+literate-config-file` points to a symlink living in a
non-symlinked directory, this heuristic will fail to realize the current
buffer belongs to your config.

Close: #6704

modules/config/literate/autoload.el

@@ -176,7 +176,7 @@ We assume any org file in `doom-user-dir' is connected to your literate
 config, and should trigger a recompile if changed."
   (and (file-in-directory-p
         (buffer-file-name (buffer-base-buffer))
-        (file-name-directory +literate-config-file))
+        (file-name-directory (file-truename +literate-config-file)))
        (+literate-tangle-h)))
 
 ;;; autoload.el ends here