PLT-4596 Stopped trying to get new users when not in a context with a team (#4411)

webapp/actions/websocket_actions.jsx

@@ -199,6 +199,11 @@ function handlePostDeleteEvent(msg) {
 }
 
 function handleNewUserEvent(msg) {
+    if (TeamStore.getCurrentId() === '') {
+        // Any new users will be loaded when we switch into a context with a team
+        return;
+    }
+
     AsyncClient.getUser(msg.data.user_id);
     AsyncClient.getChannelStats();
     loadProfilesAndTeamMembersForDMSidebar();