Plugins: Refactor plugin config into separate env var and request scoped services (#83261)

* seperate services for env + req

* merge with main

* fix tests

* undo changes to golden file

* fix linter

* remove unused fields

* split out new config struct

* provide config

* undo go mod changes

* more renaming

* fix tests

* undo bra.toml changes

* update go.work.sum

* undo changes

* trigger

* apply PR feedback

pkg/services/pluginsintegration/angulardetectorsprovider/dynamic_test.go

@@ -574,7 +574,7 @@ func provideDynamic(t *testing.T, gcomURL string, opts ...provideDynamicOpts) *D
 		opt.store = angularpatternsstore.ProvideService(kvstore.NewFakeKVStore())
 	}
 	d, err := ProvideDynamic(
-		&config.Cfg{GrafanaComURL: gcomURL},
+		&config.PluginManagementCfg{GrafanaComURL: gcomURL},
 		opt.store,
 		featuremgmt.WithFeatures(featuremgmt.FlagPluginsDynamicAngularDetectionPatterns),
 	)