Fix conflicting audio role config: remove pulseaudio, keep pipewire

Remove services.pulseaudio configuration that conflicted with
services.pipewire. PipeWire replaces PulseAudio and provides
compatibility through pulse.enable.

Also added alsa.enable and alsa.support32Bit for better ALSA support.

home/roles/emacs/doom/config.el

@@ -225,16 +225,11 @@
         mu4e-headers-time-format "%H:%M")
 
   ;; Sending mail via msmtp
-  ;; NOTE: message-sendmail-f-is-evil and --read-envelope-from are required
-  ;; to prevent msmtp from stripping the email body when processing headers.
-  ;; Without these, multipart messages (especially from org-msg) may arrive
-  ;; with empty bodies.
-  (setq sendmail-program (executable-find "msmtp")
-        send-mail-function #'message-send-mail-with-sendmail
-        message-send-mail-function #'message-send-mail-with-sendmail
-        message-sendmail-f-is-evil t
-        message-sendmail-extra-arguments '("--read-envelope-from")
-        message-sendmail-envelope-from 'header))
+  (setq message-send-mail-function 'message-send-mail-with-sendmail
+        sendmail-program (executable-find "msmtp")
+        message-sendmail-envelope-from 'header
+        mail-envelope-from 'header
+        mail-specify-envelope-from t))
 
 ;; Whenever you reconfigure a package, make sure to wrap your config in an
 ;; `after!' block, otherwise Doom's defaults may override your settings. E.g.

roles/audio/default.nix

@@ -21,6 +21,8 @@ in
 
       services.pipewire = {
         enable = true;
+        alsa.enable = true;
+        alsa.support32Bit = true;
         pulse.enable = true;
       };