Add modal for viewing display set details and update URLs and views

atlas/views.py

@@ -540,6 +540,13 @@ def case_displaysets_detail(request, pk):
     # Redirect to the case_displaysets page with ?displayset=<pk>
     return redirect(f"{reverse('atlas:case_displaysets', args=[case.pk])}?displayset={pk}")
 
+
+@login_required
+def case_displaysets_modal(request, pk):
+    """Return HTML fragment for a CaseDisplaySet to be shown inside a modal."""
+    displayset = get_object_or_404(CaseDisplaySet, pk=pk)
+    return render(request, 'atlas/case_displayset_modal.html', {'ds': displayset})
+
 def case_displaysets_delete(request, pk):
     try:
         displayset = CaseDisplaySet.objects.get(pk=pk)