Only create new credentials once packet is selected (#1020) #1678

Job	Run time
suites	3s
build	6m 25s
dialyzer	5m 17s
eunit	2m 3s
xref	2m 9s
ct (router_channel_aws_SUITE.erl)	2m 35s
ct (router_channel_console_SUITE.erl)	4m 6s
ct (router_channel_http_SUITE.erl)	3m 52s
ct (router_channel_iot_central_SUITE.erl)	2m 46s
ct (router_channel_iot_hub_SUITE.erl)	2m 51s
ct (router_channel_mqtt_SUITE.erl)	3m 7s
ct (router_channel_no_channel_SUITE.erl)	3m 6s
ct (router_console_api_SUITE.erl)	3m 24s
ct (router_console_dc_tracker_SUITE.erl)	3m 2s
ct (router_data_SUITE.erl)	3m 18s
ct (router_decoder_custom_sup_SUITE.erl)	2m 47s
ct (router_decoder_custom_worker_SUITE.erl)	2m 31s
ct (router_decoder_SUITE.erl)	3m 4s
ct (router_device_channels_worker_SUITE.erl)	3m 55s
ct (router_device_devaddr_SUITE.erl)	3m 36s
ct (router_device_routing_SUITE.erl)	4m 36s
ct (router_device_worker_SUITE.erl)	7m 39s
ct (router_discovery_SUITE.erl)	2m 51s
ct (router_downlink_SUITE.erl)	5m 15s
ct (router_grpc_SUITE.erl)	3m 9s
ct (router_ics_eui_worker_SUITE.erl)	6m 15s
ct (router_ics_gateway_location_worker_SUITE.erl)	4m 4s
ct (router_ics_skf_worker_SUITE.erl)	3m 9s
ct (router_lorawan_SUITE.erl)	5m 53s
ct (router_metrics_SUITE.erl)	3m 38s
ct (router_sc_worker_SUITE.erl)	2m 42s
ct (router_SUITE.erl)	8m 11s
ct (router_v8_SUITE.erl)	2m 39s
ct (router_xor_filter_SUITE.erl)	2m 29s
	2h 6m 27s

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