Fix missing emacs packages

Force emacs to use nix install pdf-tools and icon fonts

Add back full mu4e modeline

home/emacs/default.nix

@@ -24,14 +24,13 @@ in {
   home = {
     inherit sessionVariables;
     sessionPath = [ "$HOME/.config/emacs/bin" "$HOME/.emacs.d/bin" ];
-    packages = with pkgs;
-      with emacsPackages; [
+    packages = with pkgs; [
       # Additional/Compiled Emacs packages
-        mu4e
-        vterm
-        pdf-tools
-        all-the-icons
-        nerd-icons
+      emacsPackages.mu4e
+      emacsPackages.vterm
+      emacsPackages.pdf-tools
+      emacsPackages.all-the-icons
+      emacsPackages.nerd-icons
 
       # Emacs dependencies
       coreutils

home/emacs/doom/config.el

@@ -45,6 +45,7 @@
         mu4e-sent-messages-behavior 'delete
         mu4e-attachment-dir "~/Downloads"
         mu4e-change-filenames-when-moving t
+        mu4e-alert-modeline-formatter 'mu4e-alert-default-mode-line-formatter
         sendmail-program (executable-find "msmtp")
         send-mail-function #'smtpmail-send-it
         message-sendmail-f-is-evil t

home/emacs/doom/packages.el

@@ -1,6 +1,9 @@
 ;; -*- no-byte-compile: t; -*-
 ;;; $DOOMDIR/packages.el
 
+(package! pdf-tools :built-in 'prefer)
+(package! all-the-icons :built-in 'prefer)
+(package! nerd-icons :built-in 'prefer)
 (package! catppuccin-theme)
 (package! pocket-reader)
 (package! magit-delta)