Support creating devices without access_tokens.

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

src/api/client/device.rs

@@ -97,7 +97,7 @@ pub(crate) async fn update_device_route(
 				.create_device(
 					sender_user,
 					&device_id,
-					(&appservice.registration.as_token, None),
+					(Some(&appservice.registration.as_token), None),
 					None,
 					None,
 					Some(client.to_string()),

src/api/client/register.rs

@@ -446,7 +446,7 @@ pub(crate) async fn register_route(
 		.create_device(
 			&user_id,
 			&device_id,
-			(&access_token, expires_in),
+			(Some(&access_token), expires_in),
 			refresh_token.as_deref(),
 			body.initial_device_display_name.clone(),
 			Some(client.to_string()),

src/api/client/session/mod.rs

@@ -116,7 +116,7 @@ pub(crate) async fn login_route(
 			.create_device(
 				&user_id,
 				&device_id,
-				(&access_token, expires_in),
+				(Some(&access_token), expires_in),
 				refresh_token.as_deref(),
 				body.initial_device_display_name.clone(),
 				Some(client.to_string()),