fix(admin): Own pushkeys before deleting all of a user's pushers

src/service/pusher/mod.rs

@@ -182,13 +182,14 @@ impl Service {
 	pub fn get_pushkeys<'a>(
 		&'a self,
 		sender: &'a UserId,
-	) -> impl Stream<Item = &'a str> + Send + 'a {
+	) -> impl Stream<Item = String> + Send + 'a {
 		let prefix = (sender, Interfix);
 		self.db
 			.senderkey_pusher
 			.keys_prefix(&prefix)
 			.ignore_err()
 			.map(|(_, pushkey): (Ignore, &str)| pushkey)
+			.map(ToOwned::to_owned)
 	}
 
 	#[tracing::instrument(skip(self, dest, request))]

src/service/rooms/timeline/append.rs

@@ -540,7 +540,7 @@ impl super::Service {
 				.ready_for_each(|push_key| {
 					self.services
 						.sending
-						.send_pdu_push(pdu_id, user, push_key.to_owned())
+						.send_pdu_push(pdu_id, user, push_key)
 						.expect("TODO: replace with future");
 				})
 				.await;