Sqlstore refactor (#11908)

* refactor: tracing service refactoring

* refactor: sqlstore to instance service

* refactor: sqlstore & registory priority

* refactor: sqlstore refactor wip

* sqlstore: progress on getting tests to work again

* sqlstore: progress on refactoring and getting tests working

* sqlstore: connection string fix

* fix: not sure why this test is not working and required changing expires

* fix: updated grafana-cli

pkg/setting/setting.go

@@ -495,7 +495,9 @@ func validateStaticRootPath() error {
 }
 
 func NewCfg() *Cfg {
-	return &Cfg{}
+	return &Cfg{
+		Raw: ini.Empty(),
+	}
 }
 
 func (cfg *Cfg) Load(args *CommandLineArgs) error {