Describe the issue

Selecting a filter list and then clicking Purge all caches removes the check mark from said filter list.

Screenshot in which the issue can be seen

https://zippy.gfycat.com/BleakSorrowfulAmazontreeboa.webm

Steps for anyone to reproduce the issue

1. Open the 3rd-party filters tab in uBO's dashboard.
2. Select a filter list.
3. Click Purge all caches.

Your settings

• Browser/version: Firefox 44.0.2
• uBlock Origin version: 1.6.2