Initialize passport when only adminAuth.tokens is set

Fixes #3341

packages/node_modules/@node-red/editor-api/lib/auth/strategies.js

@@ -146,7 +146,7 @@ function authenticateUserToken(req) {
                 } else {
                     reject();
                 }
-            });
+            }).catch(reject);
         } else {
             reject();
         }
@@ -163,6 +163,7 @@ TokensStrategy.prototype.authenticate = function(req) {
     authenticateUserToken(req).then(user => {
         this.success(user,{scope:user.permissions});
     }).catch(err => {
+        log.trace("token authentication failure: "+err.stack)
         this.fail(401);
     });
 }