NVIDIA / gpu-operator / 26904558589

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Prevent driver rollout caused by helm.sh/chart label change

On a Helm chart upgrade, the operator copies the chart's helm.sh/chart
label (which encodes the chart version) onto operand pod templates. The
changed value alters the DaemonSet's controller revision hash, which the
upgrade controller treats as a spec change and rolls the driver
DaemonSet -- disrupting GPU workloads even on patch upgrades where the
driver itself is unchanged.

Stop propagating helm.sh/chart to operand pod templates in both the
ClusterPolicy and NVIDIADriver paths, while still applying it to the
DaemonSet object metadata for chart traceability. To keep the label on
the running pods without recreating them, reconcile it directly onto the
live operand and driver pods on each reconcile. Also inject the label
into the NVIDIADriver CR so its pods are covered the same way as the
ClusterPolicy-managed operands.

Signed-off-by: Rajath Agasthya <ragasthya@nvidia.com>

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