disconnecting called after disconnected status instantly. Log inside

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Log:

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With reason set - situation the same.
And undefined on 9th row too.

After last row nothing happens more.

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On another server I had another situation, without double disconnecting calls:

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This is what i have catched, while testing:
First disconnect:

Second:

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So, I'm moved the next rows:

in _doDisconnect function:

this.connected = false; -> before this._changeConnectStatus(Strophe.Status.DISCONNECTED, null);

in disconnect function:

if(this.connected) { -> to the start of function

And it work fine for me.