Move `StateFilter` to `synapse.types` (#14668)

changelog.d/14668.misc

synapse/events/builder.py

synapse/events/snapshot.py

synapse/handlers/federation.py

synapse/handlers/federation_event.py

synapse/handlers/message.py

synapse/handlers/pagination.py

synapse/handlers/register.py

synapse/handlers/room.py

synapse/handlers/room_member.py

synapse/handlers/search.py

synapse/handlers/sync.py

synapse/module_api/__init__.py

synapse/push/bulk_push_rule_evaluator.py

synapse/push/mailer.py

synapse/rest/admin/rooms.py

synapse/rest/client/room.py

synapse/state/__init__.py

synapse/storage/controllers/persist_events.py

synapse/storage/controllers/state.py