Update HOTFIX_DOMAIN variable

Author: dbt-gs

app/helpers/domain_helper.rb

@@ -2,7 +2,7 @@
 
 # Helper module for domain-related functionality
 module DomainHelper
-  HOTFIX_DOMAIN = 'www.hotfix.bgs.uktrade.digital'
+  HOTFIX_DOMAIN = 'https://www.hotfix.bgs.uktrade.digital'
 
   def bgs_site?
     Figaro.env.DOMAIN == Figaro.env.BGS_SITE

spec/helpers/domain_helper_spec.rb

@@ -32,9 +32,9 @@
       expect(fetch_domain(title_only: true)).to eq('Great')
     end
 
-    it 'returns hotfix domain if DOMAIN is www.hotfix.bgs.uktrade.digital' do
-      allow(Figaro.env).to receive(:DOMAIN).and_return('www.hotfix.bgs.uktrade.digital')
-      allow(Figaro.env).to receive(:BGS_SITE).and_return('www.hotfix.bgs.uktrade.digital')
+    it 'returns hotfix domain if DOMAIN is https://www.hotfix.bgs.uktrade.digital' do
+      allow(Figaro.env).to receive(:DOMAIN).and_return('https://www.hotfix.bgs.uktrade.digital')
+      allow(Figaro.env).to receive(:BGS_SITE).and_return('https://www.hotfix.bgs.uktrade.digital')
 
       expect(fetch_domain).to eq('hotfix.bgs.uktrade.digital')
     end