Grafana chart version `7.3.2` breaks k8s-sidecar

[Devin Buhl]

Discussed here

#2977

[Tobias Bradtke]

Thanks for pointing out, got quite confused by this..

[Sheikh-Abubaker]

@onedr0p

please checkout the revert PR.

[Daniel MacLaury]

For anyone else who stumbles into this issue after upgrading, setting serviceAccount.autoMount=true in your values will avoid the breakage.

The chart's readme values table did not get updated to capture the change of default values in #2977