Unified storage: Add quotas app to apiserver (#114425)

* initial generation

* went through doc to add new resource

* added dummy kind so grafana will run

* added dummy handler and custom route

* fix app name

* gets custom route working - still a dummy route

* adds groupOverride to manifest

* adds quotas to grpc client and server

* WIP - trying to get api recognized - not working

* Gets route working

* fixes group and resource vars

* expects group and resource as separate params

* set content-type header on response

* removes Quotas kind and regens

* Update grafana-app-sdk to v0.48.5

* Update codegen

* updates manifest

* formatting

* updates grafana-app-sdk version to 0.48.5

* regen ResourceClient mocks

* adds tests

* remove commented code

* uncomment go mod tidy

* fix tests and make update workspace

* adds quotas app to codeowners

* formatting

* make gen-apps

* deletes temp file

* fix generated folder code

* make gofmt

* make gen-go

* make update-workspace

* add COPY apps/quotas to Dockerfile

* fix test mock

* fixes undefined NewFolderStatus()

* make gen-apps, and add func for NewFolderStatus

* make gen-apps again

* make update-workspace

* regen folder_object_gen.go

* gofmt

* fix linting

* apps/folder make update-workspace

* make gen-apps

* make gen-apps

* fixes enterprise_imports.go

* go get testcontainers

* adds feature toggle

* make update-workspace

* fix go mod

* fix another client mock

---------

Co-authored-by: Steve Simpson <steve@grafana.com>

pkg/storage/unified/resource/client.go

@@ -39,6 +39,7 @@ type ResourceClient interface {
 	resourcepb.BulkStoreClient
 	resourcepb.BlobStoreClient
 	resourcepb.DiagnosticsClient
+	resourcepb.QuotasClient
 }
 
 // Internal implementation
@@ -49,6 +50,7 @@ type resourceClient struct {
 	resourcepb.BulkStoreClient
 	resourcepb.BlobStoreClient
 	resourcepb.DiagnosticsClient
+	resourcepb.QuotasClient
 }
 
 func NewResourceClient(conn, indexConn grpc.ClientConnInterface, cfg *setting.Cfg, features featuremgmt.FeatureToggles, tracer trace.Tracer) (ResourceClient, error) {
@@ -76,6 +78,7 @@ func newResourceClient(storageCc grpc.ClientConnInterface, indexCc grpc.ClientCo
 		BulkStoreClient:          resourcepb.NewBulkStoreClient(storageCc),
 		BlobStoreClient:          resourcepb.NewBlobStoreClient(storageCc),
 		DiagnosticsClient:        resourcepb.NewDiagnosticsClient(storageCc),
+		QuotasClient:             resourcepb.NewQuotasClient(storageCc),
 	}
 }
 
@@ -102,6 +105,7 @@ func NewLocalResourceClient(server ResourceServer) ResourceClient {
 		&resourcepb.BlobStore_ServiceDesc,
 		&resourcepb.BulkStore_ServiceDesc,
 		&resourcepb.Diagnostics_ServiceDesc,
+		&resourcepb.Quotas_ServiceDesc,
 	} {
 		channel.RegisterService(
 			grpchan.InterceptServer(