backport: poll refreshing
See merge request pleroma/pleroma!1804
- Mastodon API: Blocks are now treated consistently between the Streaming API and the Timeline APIs
- ActivityPub: Correct addressing of Undo.
- ActivityPub: Correct addressing of profile update activities.
+ - ActivityPub: Polls are now refreshed when necessary.
- Mastodon API: Ensure the `account` field is not empty when rendering Notification entities.
+- Report emails now include functional links to profiles of remote user accounts
### Removed
- ActivityPub: The `/objects/:uuid/likes` endpoint.