org-roam-verbose = t

Its output is helpful. Let's not silence it.

But prevent output during incremental loading from hijacking the
minibuffer (likely the original reason org-roam-verbose was disabled).

core/core.el

@@ -445,6 +445,7 @@ intervals."
                     ;; or is unreadable, Emacs throws up file-missing errors, so
                     ;; we set it to a directory we know exists and is readable.
                     (let ((default-directory doom-emacs-dir)
+                          (inhibit-message t)
                           file-name-handler-alist)
                       (require req nil t))
                     t)