Check subscription about closing/reopening topic, when User subscribed to the topic and to an appropriate branch, which he did not create

Pre-Conditions:
1. User1 and User2 are registered and logged in
2. At least one branch is created
3. User2 has unchecked "Auto subscribe" checkbox in the profile
4. User2 has permission VIEW_TOPICS on an appropriate branch
5. User1 has permissions CREATE_TOPICS, CLOSE_TOPICS, REOPEN_TOPICS on an appropriate branch