Grafana: Better dashboard titles

nixos/modules/monitoring/server/grafana-config/resources-overview.json

@@ -1281,6 +1281,6 @@
   "timepicker": {},
   "timezone": "utc",
   "title": "Resources overview",
-  "uid": "ResSatUse",
+  "uid": "ResourcesOverview",
   "version": 1
 }

nixos/modules/monitoring/server/grafana-config/services-overview.json

@@ -659,6 +659,6 @@
   },
   "timezone": "",
   "title": "Services overview",
-  "uid": "JX3RVEk7k",
+  "uid": "ServicesOverview",
   "version": 6
 }