Bearer tokens are app token

Fixes #12498

This means that we set that it is a proper app token once it is
validated. This will allow the 2FA middleware to just run the same
check.

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

lib/private/User/Session.php

@@ -776,6 +776,10 @@ public function tryTokenLogin(IRequest $request) {
 		if(!$this->validateToken($token)) {
 			return false;
 		}
+
+		// Set the session variable so we know this is an app password
+		$this->session->set('app_password', $token);
+
 		return true;
 	}