fix: Don't set cookie domain when not using multiple subdomains (#1145)

* fix: Don't set cookie domain when not using multiple subdomains

* wip logging domain

* wip logging domain

* wip logging domain

* wip logging domain

* Revert "wip logging domain"

This reverts commit 325907e74962179e02cee0b1df364a3aedbe62e3.

* Revert "wip logging domain"

This reverts commit 6ee095a49e9c18999a20d5379234323d49d5e6c8.

* Revert "wip logging domain"

This reverts commit 813d8eb960cdf4dd6db4795739df3adf895600e2.

* Revert "wip logging domain"

This reverts commit f1ca81927626bbd0d46c1963510d115a003176d8.

* Remove SUBDOMAINS_ENABLED from documented env variables, no-one self hosting should need this – it just adds confusion to those looking to host on a single subdomain
fix: Account for server/client process.env parsing

Co-authored-by: Nan Yu <nanyu@Nans-MBP-2.lan>
Co-authored-by: Nan Yu <nan@getoutline.com>

app/stores/AuthStore.js

@@ -3,7 +3,7 @@ import { observable, action, computed, autorun, runInAction } from 'mobx';
 import invariant from 'invariant';
 import { getCookie, setCookie, removeCookie } from 'tiny-cookie';
 import { client } from 'utils/ApiClient';
-import { stripSubdomain } from 'shared/utils/domains';
+import { getCookieDomain } from 'shared/utils/domains';
 import RootStore from 'stores/RootStore';
 import User from 'models/User';
 import Team from 'models/Team';
@@ -174,7 +174,7 @@ export default class AuthStore {
       delete sessions[team.id];
 
       setCookie('sessions', JSON.stringify(sessions), {
-        domain: stripSubdomain(window.location.hostname),
+        domain: getCookieDomain(window.location.hostname),
       });
       this.team = null;
     }