Change continue to button verbiage based on item in cart

{% if context == 'receipt' %}
{% set has_video = false %}
{% for item in items %}
	{% if item.code == "video" %}
		{% set has_video = true %}
	{% endif %}
{% endfor %}
{% if has_video %}
	{% set custom_lang = config.lang|merge({"checkout_continue_to": "Custom video language "}) %}
	{% set config = config|merge({"lang": custom_lang}) %}
{% endif %}
{% endif %}