Use dex instead of manual autostart

hypr/hyprland.conf

@@ -39,18 +39,13 @@ env = HYPRCURSOR_SIZE,48
 ### AUTOSTART ###
 #################
 
-exec-once = fcitx5
+exec-once = dex -a
 exec-once = /usr/lib/polkit-gnome/polkit-gnome-authentication-agent-1
-exec-once = nm-applet
 exec-once = wl-paste --watch cliphist store
 exec-once = dunst
-exec-once = hypridle          # replaces xautolock; configure lock in hypridle.conf
+exec-once = hypridle
 exec-once = waterfox
-exec-once = steam
-exec-once = surfshark
 exec-once = waybar
-# exec-once = volctl           # may need a Wayland-compatible tray volume tool
-# exec-once = pamac-tray       # check for Wayland support
 # NOTE: ff-theme-util and fix_xcursor are X11-specific; drop or find Wayland equivalents
 # Caps<->Escape swap is handled below via input config