Install networkmanager only if necessary

scripts/Arch/OS/setup.fish

@@ -36,7 +36,6 @@ begin
             base \
             linux \
             linux-firmware \
-            networkmanager \
             man-db \
             man-pages \
             texinfo
@@ -65,6 +64,7 @@ begin
             and genfstab -U "$mountDir" >>"$mountDir/etc/fstab"
 
             and if isProgramEnabled "networkmanager"
+                and pacstrap -K "$mountDir" networkmanager
                 arch-chroot "$mountDir" systemctl enable NetworkManager
             end