Fix double refresh when activating 2FA
Fix double refresh when activating 2FA

When toggling Two Factor Authentication, it often takes a few tries to get it to work.
The toggle function ends up reloading the page in two different places, effectively creating a race condition.

This fixes that problem

(cherry picked from commit 6b9fc897bc02ff857a968e76ed49f1b0f2108bb5)

ngoduykhanh/PowerDNS-Admin,ngoduykhanh/PowerDNS-Admin,ngoduykhanh/PowerDNS-Admin,ngoduykhanh/PowerDNS-Admin