fix(network_random_interruptions): query time range too narrow
fix(network_random_interruptions): query time range too narrow

fixes:
 File /sct/sdcm/nemesis.py, line 1473, in disrupt_network_random_interruptions

    avg_bitrate_per_node = max([float(avg_rate) for _, avg_rate in results[0][values]])

IndexError: list index out of range

scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests,scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests