org-persist: Work around Emacs bug#58687

* lisp/org-persist.el (org-persist--write-elisp-file): Bind
`pp-use-max-width' to nil when using `pp'.  Otherwise, printing
quickly becomes slow.

Reported-by: Michael Eliachevitch <m.eliachevitch@posteo.de>
Link: https://orgmode.org/list/87wn8tb3zp.fsf@posteo.de
Link: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=58687

lisp/org-persist.el

@@ -335,7 +335,8 @@ FORMAT and ARGS are passed to `message'."
       (make-directory (file-name-directory file) t))
     (with-temp-file file
       (if pp
-          (pp data (current-buffer))
+          (let ((pp-use-max-width nil)) ; Emacs bug#58687
+            (pp data (current-buffer)))
         (prin1 data (current-buffer))))
     (org-persist--display-time
      (- (float-time) start-time)