fix commata not being set when secure_backup_required false

roles/matrix-base/templates/static-files/well-known/matrix-client.j2

@@ -29,11 +29,11 @@
 	,
         "io.element.e2ee": {
         	{% if not matrix_client_element_e2ee_default %}
-		   "default": false
+		   "default": false,
 		{% else %}
-		   "default": true
+		   "default": true,
                 {% endif %}
-		{% if matrix_client_element_e2ee_backup_required %},
+		{% if matrix_client_element_e2ee_backup_required %}
 	           "secure_backup_required": true
 		{% else %}
 	           "secure_backup_required": false