Replace tmux split editing with kitty split

widgets/edit-command-line-split

@@ -0,0 +1,16 @@
+edit-command-line-tmux() {
+	local tmpfile=${TMPPREFIX:-/tmp/zsh}ecl$$
+
+	print -R - "$PREBUFFER$BUFFER" >$tmpfile
+	exec </dev/tty
+	if [[ $KITTY_WINDOW_ID ]]; then
+		kitty @launch --type overlay vim -c 'set laststatus=0 showtabline=0 ft=zsh' $tmpfile
+		tail -f --pid=$(pgrep -f "vim.*${tmpfile:t}") /dev/null
+	else
+		${=${VISUAL:-${EDITOR:-vi}}} $tmpfile
+	fi
+	print -Rz - "$(<$tmpfile)" 
+
+	command rm -f $tmpfile
+	zle send-break		# Force reload from the buffer stack
+}