Update travel advice callout (except Ireland)

This is following a request from FCDO.

app/views/content_items/travel_advice.html.erb

@@ -35,9 +35,13 @@
             Check the <a href="/guidance/national-lockdown-stay-at-home">rules that apply to you in England</a>, <a href="https://www.gov.scot/coronavirus-covid-19/">Scotland</a>, <a href="https://gov.wales/covid-19-alert-levels">Wales</a> and <a href="https://www.nidirect.gov.uk/articles/coronavirus-covid-19-regulations-guidance-what-restrictions-mean-you">Northern Ireland</a>.
           </p>
           <p class="govuk-body">
-            From 4am on 18 January, if you intend to <a href="/guidance/coronavirus-covid-19-testing-for-people-travelling-to-england">travel to England</a>, <a href="https://www.gov.scot/publications/coronavirus-covid-19-public-health-checks-at-borders/pages/testing-for-people-travelling-to-scotland/">Scotland</a>, or <a href="https://gov.wales/new-mandatory-coronavirus-testing-for-travellers-into-wales">Wales</a>, including UK nationals returning home from travel abroad, you must provide evidence of a negative COVID-19 test result taken up to 3 days before departure. If you do not comply (and you do not have a valid exemption) your airline or carrier may refuse you boarding and/or you may be fined on arrival. All other current entry requirements and restrictions continue to apply.
+            Currently before you travel to the UK you must <a href="/provide-journey-contact-details-before-travel-uk">provide your journey and contact details</a>. Also check if you need to <a href="/uk-border-control">self-isolate</a>.
+          </p>
+          <p class="govuk-body">
+            From 4am on 18 January, if you intend to <a href="/guidance/coronavirus-covid-19-testing-for-people-travelling-to-england">travel to England</a>, <a href="https://www.gov.scot/publications/coronavirus-covid-19-public-health-checks-at-borders/pages/testing-for-people-travelling-to-scotland/">Scotland</a>, or <a href="https://gov.wales/new-mandatory-coronavirus-testing-for-travellers-into-wales">Wales</a> from abroad, including UK nationals returning home from travel abroad, you must provide evidence of a negative COVID-19 test result taken up to 3 days before departure. If you do not comply (and you do not have a valid exemption) your airline or carrier may refuse you boarding and/or you may be fined on arrival. You must also <a href="/uk-border-control">self-isolate</a> when you enter the UK from any foreign country except Ireland, unless you have a valid exemption. All other entry requirements and restrictions continue to apply.
+          </p>
           <p class="govuk-body">
-            If you are legally permitted to travel, <a href="/guidance/travel-advice-novel-coronavirus">check our advice</a> for the country you are visiting. Some other countries have closed borders, and may further restrict movement or bring in new rules including testing requirements with little warning. Before you return to the UK you must <a href="/provide-journey-contact-details-before-travel-uk">provide your journey and contact details</a>. Also check if you need to <a href="/uk-border-control">self-isolate</a>.
+            If you are legally permitted to travel, <a href="/guidance/travel-advice-novel-coronavirus">check our advice</a> on your country of destination. Some other countries have closed borders, and may further restrict movement or bring in new rules including testing requirements with little warning.
           </p>
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       </div>