fix logging previous known 'ref' when 'refId not found' occurs.

Author: endel

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@colyseus/schema",
-  "version": "3.0.40",
+  "version": "3.0.41",
   "description": "Binary state serializer with delta encoding for games",
   "bin": {
     "schema-codegen": "bin/schema-codegen",

src/decoder/Decoder.ts

@@ -65,7 +65,7 @@ export class Decoder<T extends Schema = any> {
                 // Trying to access a reference that haven't been decoded yet.
                 //
                 if (!nextRef) {
-                    console.error(`"refId" not found: ${nextRefId}`, { previousRef: this, previousRefId: this.currentRefId });
+                    console.error(`"refId" not found: ${nextRefId}`, { previousRef: ref, previousRefId: this.currentRefId });
                     console.warn("Please report this to the developers. All refIds =>");
                     console.warn(Schema.debugRefIdsDecoder(this));
                     this.skipCurrentStructure(bytes, it, totalBytes);