Fix missing details text for patients with keep-in-triage status

                                                                                                                                                                                                                                                                             When a patient's latest triage is keep_in_triage, triage_summary returns nil, and no details text is shown on the programme status card. We should instead show the standard needs_triage text here.

Author: murugapl

app/components/app_patient_session_programme_component.rb

@@ -45,8 +45,8 @@ def colour
   end
 
   def details
-    if latest_triage
-      triage_summary(latest_triage)
+    if latest_triage && (summary = triage_summary(latest_triage)).present?
+      summary
     elsif programme_status.due?
       criteria_label =
         I18n.t(