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/settings/v2beta/server.go

@@ -0,0 +1,57 @@
+package settings
+
+import (
+	"context"
+
+	"google.golang.org/grpc"
+
+	"github.com/zitadel/zitadel/internal/api/assets"
+	"github.com/zitadel/zitadel/internal/api/authz"
+	"github.com/zitadel/zitadel/internal/api/grpc/server"
+	"github.com/zitadel/zitadel/internal/command"
+	"github.com/zitadel/zitadel/internal/query"
+	settings "github.com/zitadel/zitadel/pkg/grpc/settings/v2beta"
+)
+
+var _ settings.SettingsServiceServer = (*Server)(nil)
+
+type Server struct {
+	settings.UnimplementedSettingsServiceServer
+	command         *command.Commands
+	query           *query.Queries
+	assetsAPIDomain func(context.Context) string
+}
+
+type Config struct{}
+
+func CreateServer(
+	command *command.Commands,
+	query *query.Queries,
+	externalSecure bool,
+) *Server {
+	return &Server{
+		command:         command,
+		query:           query,
+		assetsAPIDomain: assets.AssetAPI(externalSecure),
+	}
+}
+
+func (s *Server) RegisterServer(grpcServer *grpc.Server) {
+	settings.RegisterSettingsServiceServer(grpcServer, s)
+}
+
+func (s *Server) AppName() string {
+	return settings.SettingsService_ServiceDesc.ServiceName
+}
+
+func (s *Server) MethodPrefix() string {
+	return settings.SettingsService_ServiceDesc.ServiceName
+}
+
+func (s *Server) AuthMethods() authz.MethodMapping {
+	return settings.SettingsService_AuthMethods
+}
+
+func (s *Server) RegisterGateway() server.RegisterGatewayFunc {
+	return settings.RegisterSettingsServiceHandler
+}