BackoffHistogramEmpty is displayed as confusing "Value" in grafana

[ekexium]

We should improve the label, maybe consider giving it reasonable names

[TechWizard9999]

Hi @ekexium ,

I'd like to work on this issue as my first contribution.
I’ve set up the repo and would appreciate any guidance on where to look to get started.

[TechWizard9999]

Hi @ekexium ,
I've submitted a PR to fix this: #1862
Please let me know if any other changes are there