fix: revert f235aae (part 2)

server/grpc/gogoreflection/serverreflection.go

@@ -51,7 +51,7 @@
 	dpb "github.com/golang/protobuf/protoc-gen-go/descriptor"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
-	rpb "google.golang.org/grpc/reflection/grpc_reflection_v1"
+	rpb "google.golang.org/grpc/reflection/grpc_reflection_v1alpha"
 	"google.golang.org/grpc/status"
 )
 
@@ -387,42 +387,42 @@
 			return err
 		}
 
 		out := &rpb.ServerReflectionResponse{
 			ValidHost:       in.Host,
 			OriginalRequest: in,
 		}
 		switch req := in.MessageRequest.(type) {
 		case *rpb.ServerReflectionRequest_FileByFilename:
 			b, err := s.fileDescEncodingByFilename(req.FileByFilename, sentFileDescriptors)
 			if err != nil {
 				out.MessageResponse = &rpb.ServerReflectionResponse_ErrorResponse{
 					ErrorResponse: &rpb.ErrorResponse{
 						ErrorCode:    int32(codes.NotFound),
 						ErrorMessage: err.Error(),
 					},
 				}
 			} else {
 				out.MessageResponse = &rpb.ServerReflectionResponse_FileDescriptorResponse{
 					FileDescriptorResponse: &rpb.FileDescriptorResponse{FileDescriptorProto: b},
 				}
 			}
 		case *rpb.ServerReflectionRequest_FileContainingSymbol:
 			b, err := s.fileDescEncodingContainingSymbol(req.FileContainingSymbol, sentFileDescriptors)
 			if err != nil {
 				out.MessageResponse = &rpb.ServerReflectionResponse_ErrorResponse{
 					ErrorResponse: &rpb.ErrorResponse{
 						ErrorCode:    int32(codes.NotFound),
 						ErrorMessage: err.Error(),
 					},
 				}
 			} else {
 				out.MessageResponse = &rpb.ServerReflectionResponse_FileDescriptorResponse{
 					FileDescriptorResponse: &rpb.FileDescriptorResponse{FileDescriptorProto: b},
 				}
 			}
 		case *rpb.ServerReflectionRequest_FileContainingExtension:
 			typeName := req.FileContainingExtension.ContainingType
 			extNum := req.FileContainingExtension.ExtensionNumber
 			b, err := s.fileDescEncodingContainingExtension(typeName, extNum, sentFileDescriptors)
 			if err != nil {
 				out.MessageResponse = &rpb.ServerReflectionResponse_ErrorResponse{