Fixes status field on report modal form

bookwyrm/templates/snippets/report_modal.html

@@ -22,7 +22,7 @@
 {% csrf_token %}
 <input type="hidden" name="reporter" value="{{ request.user.id }}">
 <input type="hidden" name="user" value="{{ user.id }}">
-{% if status %}
+{% if status_id %}
 <input type="hidden" name="statuses" value="{{ status_id }}">
 {% endif %}
 {% if link %}