fix: batchFirstFingerprints does not update device on node after v1.3.5

[vuuihc]

Fixes #14888

Hi, thanks for this awesome project. Recently when I use nomad with the plugin nomad-device-nvidia, I found that the plugin did not work well, then I found this issue reporting the same problem. By researching the code, I found that the Devices was not successfully updated in batchFirstFingerprints, maybe I try help fix it by this PR.

[hashicorp-cla]

All committers have signed the CLA.

[shoenig]

Spot checking on an ec2 instance

ubuntu@ip-172-31-23-245:~$ ./nomad-pr version 
Nomad v1.4.3-dev (52d0dcbed281498dc8b64b60009a10c500dcd348)
ubuntu@ip-172-31-23-245:~$ ./nomad-pr node status -self -verbose | grep -C 2 NVIDIA

Device Resource Utilization
nvidia/gpu/NVIDIA A10G[GPU-7a3f1fe2-a6fb-12e4-6e32-632f070a98d4]  296 / 23028 MiB

Allocations
--

Device Group Attributes
Device Group     = nvidia/gpu/NVIDIA A10G
bar1             = 32768 MiB
cores_clock      = 1710 MHz

[github-actions]

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