(fix) ignore notification auth sequence numbers, they no longer advance, closes #423

Author: f3rno

lib/transports/ws2.js

@@ -326,8 +326,7 @@ class WSv2 extends EventEmitter {
     // 0 packets, these are included as the 2nd to last value
     const seq = (
       (msg[0] === 0) &&
-      (msg[1] !== 'hb') &&
-      !(msg[1] === 'n' && msg[2][6] === 'ERROR') // error notifications lack seq
+      (msg[1] !== 'hb')
     )
       ? msg[msg.length - 2]
       : msg[msg.length - 1]
@@ -347,7 +346,7 @@ class WSv2 extends EventEmitter {
 
     if (!isFinite(authSeq)) return null
     if (authSeq === 0) return null // still syncing
-    if (msg[1] === 'n' && msg[2][6] === 'ERROR') return null // err notifications lack seq
+    if (msg[1] === 'n') return null // notifications don't advance seq
     if (authSeq === this._lastAuthSeq) return null // seq didn't advance
 
     // check