distributed mode: fix regression in worker connect
distributed mode: fix regression in worker connect

The `wsid`check in server fails (string vs number), so encode as number.
This regression was introduced when remplacing `==` by `===` operators.
mvertes/skale-engine,mvertes/skale-engine,mvertes/skale-engine,skale-me/skale-engine,skale-me/skale-engine,skale-me/skale-engine