Final fixes for moving unread handling to client (#5392)

webapp/routes/route_team.jsx

@@ -102,7 +102,12 @@ function preNeedsTeam(nextState, replace, callback) {
         nextState.location.pathname.indexOf('/pl/') > -1) {
         loadProfilesAndTeamMembersForDMSidebar();
         AsyncClient.getMyTeamsUnread();
-        AsyncClient.getMyChannelMembers();
+        const teams = TeamStore.getAll();
+        for (const id in teams) {
+            if (teams.hasOwnProperty(id)) {
+                AsyncClient.getMyChannelMembersForTeam(id);
+            }
+        }
     }
 
     const d1 = $.Deferred(); //eslint-disable-line new-cap