PLT-4767 Implement MFA Enforcement (#4662)

* Create MFA setup page and remove MFA setup from account settings modal

* Add enforce MFA to system console and force redirect

* Lockdown mfa required API routes, add localization, other changes

* Minor fixes

* Fix typo

* Fix some unit tests

* Fix more unit tests

* Minor fix

* Updating UI for MFA screen (#4670)

* Updating UI for MFA screen

* Updating styles for MFA page

* Add the ability to switch between email/sso with MFA enabled

* Added mfa change email

* Minor UI updates for MFA enforcement

* Fix unit test

* Fix client unit test

* Allow switching email to ldap and back when MFA is enabled

* Fix unit test

* Revert config.json

webapp/client/web_client.jsx

@@ -38,6 +38,11 @@ class WebClientClass extends Client {
     }
 
     handleError(err, res) {
+        if (res.body.id === 'api.context.mfa_required.app_error') {
+            window.location.reload();
+            return;
+        }
+
         if (err.status === HTTP_UNAUTHORIZED && res.req.url !== '/api/v3/users/login') {
             GlobalActions.emitUserLoggedOutEvent('/login');
         }