Update session edit page

This updates the session edit page to match the latest designs in the
prototype.

app/components/app_session_summary_card_component.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 class AppSessionSummaryCardComponent < ViewComponent::Base
-  def initialize(session:)
+  def initialize(session)
     super
 
     @session = session

app/views/sessions/edit.html.erb

@@ -1,13 +1,13 @@
-<% page_title = "Session details" %>
-
 <% content_for :before_main do %>
-  <%= render AppBreadcrumbComponent.new(items: [
-                                          { text: "Home", href: dashboard_path },
-                                          { text: t("sessions.index.title"), href: sessions_path },
-                                          { text: session_location(@session), href: session_path(@session) },
-                                        ]) %>
+  <%= render AppBacklinkComponent.new(
+        href: session_path(@session),
+        name: session_location(@session),
+      ) %>
 <% end %>
 
-<%= h1 page_title %>
+<%= h1 "Edit session" do %>
+  <span class="nhsuk-caption-l"><%= session_location(@session) %></span>
+  Edit session
+<% end %>
 
-<%= render AppSessionSummaryCardComponent.new(session: @session) %>
+<%= render AppSessionSummaryCardComponent.new(@session) %>

app/views/sessions/edit/confirm.html.erb

@@ -7,7 +7,7 @@
 
 <%= h1 "Check and confirm details" %>
 
-<%= render AppSessionSummaryCardComponent.new(session: @session) %>
+<%= render AppSessionSummaryCardComponent.new(@session) %>
 
 <% if @session.send_consent_requests_at.today? %>
   <%= govuk_inset_text do %>

spec/components/app_session_summary_card_component_spec.rb

@@ -1,11 +1,10 @@
 # frozen_string_literal: true
 
 describe AppSessionSummaryCardComponent do
-  subject { page }
+  subject(:rendered) { render_inline(component) }
 
-  before { render_inline(component) }
+  let(:component) { described_class.new(session) }
 
-  let(:component) { described_class.new(session:) }
   let(:date) { Date.new(2024, 1, 1) }
   let(:close_consent_at) { date }
   let(:session) { create(:session, date:, close_consent_at:) }