Werk #7941: Fixed query/idle timeouts.

The CMC has two builtin hardwired timeouts regardin Livestatus: If a client connects and doesn't send anything for 5 minutes, the CMC closes the connection (idle timeout). If a client doesn't finish sending a complete query within 10 seconds, the CMC closes the connection, too (query timeout).

The lengths of those timeouts have been swapped since 1.5.0i1, which has been fixed now. Note that the Nagios core was not affected by this regression, the NEB handled the timeouts correctly.

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