Split login_via_existing_session conf item to login_via_token.

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

src/api/client/session/token.rs

@@ -22,7 +22,7 @@ pub(super) async fn handle_login(
 ) -> Result<OwnedUserId> {
 	let Token { token } = info;
 
-	if !services.config.login_via_existing_session {
+	if !services.config.login_via_token {
 		return Err!(Request(Unknown("Token login is not enabled.")));
 	}
 
@@ -41,7 +41,7 @@ pub(crate) async fn login_token_route(
 	InsecureClientIp(client): InsecureClientIp,
 	body: Ruma<get_login_token::v1::Request>,
 ) -> Result<get_login_token::v1::Response> {
-	if !services.config.login_via_existing_session {
+	if !services.config.login_via_existing_session || !services.config.login_via_token {
 		return Err!(Request(Forbidden("Login via an existing session is not enabled")));
 	}