Merge branch 'fix-login-error' into 'develop'

LoginPage: fix crash

See merge request soapbox-pub/soapbox-fe!981

app/soapbox/features/auth_login/components/login_page.js

@@ -52,8 +52,9 @@ class LoginPage extends ImmutablePureComponent {
         dispatch(switchAccount(account.id));
       }
     }).catch(error => {
-      if (error.response.data.error === 'mfa_required') {
-        this.setState({ mfa_auth_needed: true, mfa_token: error.response.data.mfa_token });
+      const data = error.response && error.response.data;
+      if (data && data.error === 'mfa_required') {
+        this.setState({ mfa_auth_needed: true, mfa_token: data.mfa_token });
       }
       this.setState({ isLoading: false });
     });