Make sure the example forms show fields even for empty spreadsheets

app/views/forms/_form_example.html.erb

@@ -6,6 +6,16 @@
       <%= text_field_tag header %>
     </p>
   <% end %>
+  <% if form.spreadsheet_headers.blank? %>
+    <p>
+      <label for="Name">Name</label>
+      <input type="text" name="Name">
+    </p>
+    <p>
+      <label for="Email">Email</label>
+      <input type="text" name="Email">
+    </p>
+  <% end %>
   ...
   <input type="submit" value="Submit">
 </form>

app/views/forms/_form_example_js.html.erb

@@ -7,5 +7,4 @@
     </p>
   <% end %>
     ...
-  <input type="submit" value="Submit">
 </form>