NRG: Don't reset WAL when failing to load last snapshot (#7580) #3703

Job	Run time
Lint	1m 36s
Build (Latest Go)	30s
Build (Minimum Go)	34s
Build (Minimum Go, windows-2025)	1m 3s
Build (Minimum Go, windows-2022)	57s
Sign-offs	0s
Test JetStream Supercluster	5m 2s
Test No-Race 1	6m 32s
Test Raft	5m 34s
Test Stores	4m 52s
Test JetStream	6m 50s
Test JetStream Consumers	3m 10s
Test JetStream Cluster 2	7m 5s
Test JetStream Cluster 3	5m 10s
Test JetStream Cluster 1	6m 27s
Test JetStream Cluster 4	8m 7s
Test MQTT	1m 29s
Test No-Race 2	4m 9s
Test Message Tracing	1m 16s
Test JWT	3m 56s
Test Other Packages	5m 12s
Test Remaining Server Tests	7m 23s
	1h 26m 54s

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