Fix sorting issue

Author: Kirandawadi

sde_indexing_helper/templates/sde_collections/collection_list.html

@@ -151,14 +151,14 @@ <h2 class="title">Welcome back!</h2>
                     <td class="whiteText noBorder">{{ collection.get_division_display }}</td>
 
                     <!-- Delta URLs Column - Shows count and links if >= 0 -->
-                    <td class="noBorder centerAlign">
+                    <td class="noBorder centerAlign" data-order="{{ collection.num_delta_urls }}">
                         <a href=" {% if collection.num_delta_urls >= 0 %} {% url 'sde_collections:delta_urls' collection.pk %} {% endif %} "
                            class="btn btn-sm {% if collection.num_delta_urls >= 0 %}btn-primary {% else %}disabled{% endif %}candidateCount"
                            role="button">{{ collection.num_delta_urls|intcomma }}</a>
                     </td>
 
                     <!-- Curated URLs Column - Shows count and links if >= 0 -->
-                    <td class="noBorder centerAlign">
+                    <td class="noBorder centerAlign" data-order="{{ collection.num_curated_urls }}">
                         <a href=" {% if collection.num_curated_urls >= 0 %} {% url 'sde_collections:delta_urls' collection.pk %} {% endif %} "
                            class="btn btn-sm {% if collection.num_curated_urls >= 0 %}btn-primary {% else %}disabled{% endif %}candidateCount"
                            role="button">{{ collection.num_curated_urls|intcomma }}</a>