PPHA-670: Updated page title on periods when you stopped smoking page (#425)

# What is the change?

* Edited page title to be both current and past tense

# Why are we making this change?

Improve usability and align with prototype v 1.4

Author: Themitchell

lung_cancer_screening/questions/forms/periods_when_you_stopped_smoking_form.py

@@ -72,6 +72,9 @@ def label_classes(self):
         else:
             return "nhsuk-fieldset__legend--m"
 
+    def page_title(self):
+        return f"{self.label()} – NHS"
+
 
     def stopped_or_quit(self):
         if self.response_set().current_smoker():

lung_cancer_screening/questions/jinja2/periods_when_you_stopped_smoking.jinja

@@ -2,8 +2,6 @@
 
 {% from 'nhsuk/components/button/macro.jinja' import button %}
 
-{% block pageTitle %}Have you ever stopped smoking for periods of 1 year or longer? - NHS{% endblock %}
-
 {% if error %}
   {% set error_message = { "text": error } %}
 {% endif %}

lung_cancer_screening/questions/views/periods_when_you_stopped_smoking.py

@@ -14,3 +14,10 @@ class PeriodsWhenYouStoppedSmokingView(LoginRequiredMixin, EnsureResponseSet, En
     model = PeriodsWhenYouStoppedSmokingResponse
     success_url = reverse_lazy("questions:types_tobacco_smoking")
     back_link_url = reverse_lazy("questions:age_when_started_smoking")
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        form = context.get("form") or self.get_form()
+        context["page_title"] = form.page_title()
+        return context
+