Unbox and pin database streams.

Signed-off-by: Jason Volk <jason@zemos.net>

src/service/rooms/state_accessor/room_state.rs

@@ -108,6 +108,7 @@ pub fn room_state_keys_with_ids<'a>(
 		.map_ok(|shortstatehash| {
 			self.state_keys_with_ids(shortstatehash, event_type)
 				.map(Ok)
+				.boxed()
 		})
 		.map_err(move |e| err!(Database("Missing state for {room_id:?}: {e:?}")))
 		.try_flatten_stream()
@@ -127,6 +128,7 @@ pub fn room_state_keys<'a>(
 		.map_ok(|shortstatehash| {
 			self.state_keys(shortstatehash, event_type)
 				.map(Ok)
+				.boxed()
 		})
 		.map_err(move |e| err!(Database("Missing state for {room_id:?}: {e:?}")))
 		.try_flatten_stream()

src/service/rooms/state_accessor/state.rs

@@ -249,7 +249,6 @@ pub fn state_keys_with_shortids<'a>(
 		.ignore_err()
 		.unzip()
 		.map(|(ssks, sids): (Vec<u64>, Vec<u64>)| (ssks, sids))
-		.boxed()
 		.shared();
 
 	let shortstatekeys = short_ids
@@ -410,7 +409,6 @@ pub fn state_full_shortids(
 		.map_ok(Vec::into_iter)
 		.map_ok(IterStream::try_stream)
 		.try_flatten_stream()
-		.boxed()
 }
 
 #[implement(super::Service)]