Fix here notifications (#5377)

app/notification.go

@@ -196,10 +196,7 @@ func SendNotifications(post *model.Post, team *model.Team, channel *model.Channe
 	}
 
 	if hereNotification {
-		if result := <-Srv.Store.Status().GetOnline(); result.Err != nil {
-			return nil, result.Err
-		} else {
-			statuses := result.Data.([]*model.Status)
+		statuses := GetAllStatuses()
 		for _, status := range statuses {
 			if status.UserId == post.UserId {
 				continue
@@ -214,7 +211,6 @@ func SendNotifications(post *model.Post, team *model.Team, channel *model.Channe
 			}
 		}
 	}
-	}
 
 	// Make sure all mention updates are complete to prevent race
 	// Probably better to batch these DB updates in the future