sway/autostart-utilities.conf: remove htop's sleep, move to own foot instance (instead of )

conf/sway/config.d/autostart-utilities.conf

@@ -9,9 +9,8 @@ exec --no-startup-id /usr/libexec/kf5/polkit-kde-authentication-agent-1
 # Debian
 #exec --no-startup-id /usr/lib/x86_64-linux-gnu/libexec/polkit-kde-authentication-agent-1
 
-# htop system monitor, this actually needs a bit of sleep to ensure foot
-# server is running
-exec --no-startup-id sleep 15 && $term --title=htop htop
+# htop system monitor in foot, outside of foot server to not care about its status
+exec --no-startup-id foot --title=htop htop
 
 # NetworkManager Applet
 exec --no-startup-id nm-applet --indicator