feat: api v2beta to api v2 (#8283)

# Which Problems Are Solved

The v2beta services are stable but not GA.

# How the Problems Are Solved

The v2beta services are copied to v2. The corresponding v1 and v2beta
services are deprecated.

# Additional Context

Closes #7236

---------

Co-authored-by: Elio Bischof <elio@zitadel.com>

internal/api/grpc/user/v2beta/totp.go

@@ -0,0 +1,44 @@
+package user
+
+import (
+	"context"
+
+	object "github.com/zitadel/zitadel/internal/api/grpc/object/v2beta"
+	"github.com/zitadel/zitadel/internal/domain"
+	user "github.com/zitadel/zitadel/pkg/grpc/user/v2beta"
+)
+
+func (s *Server) RegisterTOTP(ctx context.Context, req *user.RegisterTOTPRequest) (*user.RegisterTOTPResponse, error) {
+	return totpDetailsToPb(
+		s.command.AddUserTOTP(ctx, req.GetUserId(), ""),
+	)
+}
+
+func totpDetailsToPb(totp *domain.TOTP, err error) (*user.RegisterTOTPResponse, error) {
+	if err != nil {
+		return nil, err
+	}
+	return &user.RegisterTOTPResponse{
+		Details: object.DomainToDetailsPb(totp.ObjectDetails),
+		Uri:     totp.URI,
+		Secret:  totp.Secret,
+	}, nil
+}
+
+func (s *Server) VerifyTOTPRegistration(ctx context.Context, req *user.VerifyTOTPRegistrationRequest) (*user.VerifyTOTPRegistrationResponse, error) {
+	objectDetails, err := s.command.CheckUserTOTP(ctx, req.GetUserId(), req.GetCode(), "")
+	if err != nil {
+		return nil, err
+	}
+	return &user.VerifyTOTPRegistrationResponse{
+		Details: object.DomainToDetailsPb(objectDetails),
+	}, nil
+}
+
+func (s *Server) RemoveTOTP(ctx context.Context, req *user.RemoveTOTPRequest) (*user.RemoveTOTPResponse, error) {
+	objectDetails, err := s.command.HumanRemoveTOTP(ctx, req.GetUserId(), "")
+	if err != nil {
+		return nil, err
+	}
+	return &user.RemoveTOTPResponse{Details: object.DomainToDetailsPb(objectDetails)}, nil
+}