* add feature toggle usePrometheusFrontendPackage
* add feature toggle logic to Prometheus module
* use config editor with package and remove configOverhaul feature toggle
* update betterer because we will be removing other files as we replace with files from @grafana/prometheus
* fix exemplar ds picker selector
* add more description to ts-ignore
* remove go.work.sum change
* copy go.work.sum from main
* update go.work.sum after talking with ismail
* put back the promlib entry
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Co-authored-by: ismail simsek <ismailsimsek09@gmail.com>