perf(org): call yas-reload-all on TAB only once

In cases where the user has an empty snippets library (or no snippets
for the mode at point), the expensive `yas-reload-all` function would be
called each time you press tab.

Fix: #8025

modules/lang/org/autoload/org.el

@@ -486,7 +486,8 @@ Made for `org-tab-first-hook'."
                            (evil-emacs-state-p))
                        (or (and (bound-and-true-p yas--tables)
                                 (gethash major-mode yas--tables))
-                           (progn (yas-reload-all) t))
+                           (with-memoization (get 'yas-reload-all 'reloaded)
+                             (always (yas-reload-all))))
                        (yas--templates-for-key-at-point))
                   (yas-expand)
                   t)