fix(community-submission): add missing var in side bar template

Author: sakshamarora1

invenio_app_rdm/records_ui/templates/semantic-ui/invenio_app_rdm/records/details/side_bar/manage_menu.html

@@ -20,6 +20,8 @@
          data-groups-enabled='{{ config.USERS_RESOURCES_GROUPS_ENABLED | tojson }}'
          {% if record_deletion %}
             data-record-deletion='{{ record_deletion | tojson }}'
+         {% else %}
+            data-record-deletion='{{ {} | tojson }}'
          {% endif %}
          {% if config.RDM_DETAIL_SIDE_BAR_MANAGE_ATTRIBUTES_EXTENSION_TEMPLATE %}
           {% include config.RDM_DETAIL_SIDE_BAR_MANAGE_ATTRIBUTES_EXTENSION_TEMPLATE %}