The unpoller dashboards can't be loaded in Prometheus with the error
"Failed to upgrade legacy queries"
The panels uses the ${DS_PROMETHEUS} variable which is not defined in
the dashboards
**⚙️ Type of change**
- [ ] ⚙️ Feature/App addition
- [x] 🪛 Bugfix
- [ ] ⚠️ Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] 🔃 Refactor of current code
**🧪 How Has This Been Tested?**
I installed the chart with the new dashboards and they work
