fix: Allow cargo_common_metadata clippy lint

changelog.d/1276.bugfix

@@ -1 +0,0 @@
-Fixed the whoami endpoint returning HTTP 404 instead of HTTP 403, which confused some appservices. Contributed by @nex.

src/api/client/account.rs

@@ -724,7 +724,7 @@ pub(crate) async fn change_password_route(
 	Ok(change_password::v3::Response {})
 }
 
-/// # `GET /_matrix/client/v3/account/whoami`
+/// # `GET _matrix/client/r0/account/whoami`
 ///
 /// Get `user_id` of the sender user.
 ///
@@ -733,17 +733,11 @@ pub(crate) async fn whoami_route(
 	State(services): State<crate::State>,
 	body: Ruma<whoami::v3::Request>,
 ) -> Result<whoami::v3::Response> {
-	let is_guest = services
-		.users
-		.is_deactivated(body.sender_user())
-		.await
-		.map_err(|_| {
-			err!(Request(Forbidden("Application service has not registered this user.")))
-		})? && body.appservice_info.is_none();
 	Ok(whoami::v3::Response {
 		user_id: body.sender_user().to_owned(),
 		device_id: body.sender_device.clone(),
-		is_guest,
+		is_guest: services.users.is_deactivated(body.sender_user()).await?
+			&& body.appservice_info.is_none(),
 	})
 }