chore: Serialize domain policies on team (#1970)

* domain policies exposed on team, consistency

* fix: Remove usage of isAdmin in frontend

* test

app/components/Sidebar/Main.js

@@ -173,7 +173,7 @@ function MainSidebar() {
                 exact={false}
                 label={t("Settings")}
               />
-              {can.invite && (
+              {can.inviteUser && (
                 <SidebarLink
                   to="/settings/people"
                   onClick={handleInviteModalOpen}
@@ -183,7 +183,7 @@ function MainSidebar() {
               )}
             </Section>
           </Scrollable>
-          {can.invite && (
+          {can.inviteUser && (
             <Modal
               title={t("Invite people")}
               onRequestClose={handleInviteModalClose}