[PM-8280] email forwarders (#11563)

* forwarder lookup and generation support
* localize algorithm names and descriptions in the credential generator service
* add encryption support to UserStateSubject
* move generic rx utilities to common
* move icon button labels to generator configurations

libs/tools/generator/components/src/util.ts

@@ -63,7 +63,7 @@ function getConstraint<Key extends keyof AnyConstraint>(
 ) {
   if (policy && key in policy) {
     return policy[key] ?? config[key];
-  } else if (key in config) {
+  } else if (config && key in config) {
     return config[key];
   }
 }