refactor appservice type stuff

Signed-off-by: strawberry <strawberry@puppygock.gay>

src/service/sending/mod.rs

@@ -502,7 +502,7 @@ impl Service {
 				let permit = services().sending.maximum_requests.acquire().await;
 
 				let response = match appservice_server::send_request(
-					services().appservice.get_registration(id).map_err(|e| (kind.clone(), e))?.ok_or_else(|| {
+					services().appservice.get_registration(id).await.ok_or_else(|| {
 						(
 							kind.clone(),
 							Error::bad_database("[Appservice] Could not load registration from db."),