instance onAuth(): fix forwarding auth.token to server.

Author: endel

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "colyseus.js",
-  "version": "0.16.15",
+  "version": "0.16.16",
   "description": "Colyseus Multiplayer SDK for JavaScript/TypeScript",
   "author": "Endel Dreyer",
   "license": "MIT",
@@ -58,7 +58,7 @@
     "node": ">= 12.x"
   },
   "dependencies": {
-    "@colyseus/msgpackr": "^1.10.5",
+    "@colyseus/msgpackr": "^1.11.2",
     "@colyseus/schema": "^3.0.0",
     "httpie": "^2.0.0-next.13",
     "tslib": "^2.1.0",

package.json

@@ -229,6 +229,11 @@ export class Client {
     protected buildEndpoint(room: any, options: any = {}, protocol: string = "ws") {
         const params = [];
 
+        // forward authentication token
+        if (this.http.authToken) {
+            options['_authToken'] = this.http.authToken;
+        }
+
         // append provided options
         for (const name in options) {
             if (!options.hasOwnProperty(name)) {