optional extended integration settings deleted after update

After updating to 2.1.10 the following error appears when creating a pull request:

You don't have any remotes which have extended integration settings configured...

This is caused by not having the optional extended integration settings set. Looks like the update clears/deletes these settings for every repository. This is a major annoyance for our users (>1100), since the update is mandatory because of the [security advisory|https://confluence.atlassian.com/sourcetreekb/sourcetree-security-advisory-2017-08-11-933099891.html.]