Allow Comms websocket auth to be done via token header

Fixes #2642

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

@@ -61,7 +61,7 @@ var api = {
     authenticate: authenticate,
     default: getDefaultUser,
     tokens: getDefaultUser,
-    tokenHeader: "authorization"
+    tokenHeader: null
 }
 
 function init(config) {
@@ -111,6 +111,8 @@ function init(config) {
         api.tokens = config.tokens;
         if (config.tokenHeader && typeof config.tokenHeader === "string") {
             api.tokenHeader = config.tokenHeader.toLowerCase();
+        } else {
+            api.tokenHeader = "authorization";
         }
     }
 }