Can't override default keymaps on MacOS about kitty HOT 3 CLOSED

# mini-kitty.conf
map ctrl+shift+s>h launch --location=hsplit

kitty 0.32.1 (08d88af2fb) created by Kovid Goyal
Linux gethin-motilent 6.5.0-14-generic #14~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Mon Nov 20 18:15:30 UTC 2 x86_64
Ubuntu 22.04.3 LTS gethin-motilent /dev/tty

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=22.04
DISTRIB_CODENAME=jammy
DISTRIB_DESCRIPTION="Ubuntu 22.04.3 LTS"
Running under: X11
Frozen: True
Paths:
  kitty: /home/gethin/.local/kitty.app/bin/kitty
  base dir: /home/gethin/.local/kitty.app/lib/kitty
  extensions dir: /home/gethin/.local/kitty.app/lib/kitty-extensions
  system shell: /home/linuxbrew/.linuxbrew/bin/zsh

Config options different from defaults:

Important environment variables seen by the kitty process:
	PATH                                /home/gethin/.asdf/shims:/home/gethin/.asdf/bin:/home/gethin/.opam/default/bin:/home/gethin/.cabal/bin:/home/gethin/.ghcup/bin:/home/gethin/.cargo/bin:/home/gethin/.local/bin:/home/linuxbrew/.linuxbrew/bin:/home/linuxbrew/.linuxbrew/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/snap/bin
	LANG                                en_GB.UTF-8
	VISUAL                              nvim
	EDITOR                              nvim
	SHELL                               /home/linuxbrew/.linuxbrew/bin/zsh
	DISPLAY                             :1
	USER                                gethin
	XDG_SESSION_TYPE                    x11
	XDG_SESSION_CLASS                   user
	XDG_RUNTIME_DIR                     /run/user/1000
	XDG_MENU_PREFIX                     gnome-
	XDG_CURRENT_DESKTOP                 ubuntu:GNOME
	XDG_SESSION_DESKTOP                 ubuntu
	XDG_DATA_DIRS                       /usr/share/ubuntu:/usr/share/gnome:/home/gethin/.local/share/flatpak/exports/share:/var/lib/flatpak/exports/share:/usr/local/share/:/usr/share/:/var/lib/snapd/desktop
	XDG_CONFIG_DIRS                     /etc/xdg/xdg-ubuntu:/etc/xdg
	XDG_CONFIG_HOME                     /home/gethin/.config
	XDG_CACHE_HOME                      /home/gethin/.cache
	XDG_DATA_HOME                       /home/gethin/.local/share
	XDG_STATE_HOME                      /home/gethin/.local/state