I verified that quitting while the synchronous version of the dialog is active doesn't hang, so we're not re-regressing bug 1898718. Differential Revision: https://phabricator.services.mozilla.com/D212189
I verified that quitting while the synchronous version of the dialog is active doesn't hang, so we're not re-regressing bug 1898718. Differential Revision: https://phabricator.services.mozilla.com/D212189