I'm using Firefox, can't re-produce. How did you navigate away without first freeing your cursor? I just pressed escape like the browser message said to, but th

I'm using Firefox, can't re-produce. How did you navigate away without first freeing your cursor? I just pressed escape like the browser message said to, but then obviously at that point the cursor was already free so I couldn't test whether navigating away would free it. Closing the tab with Ctrl+W does also free the cursor.