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>
(cherry picked from commit 7d2d85f57c)

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

@@ -0,0 +1,39 @@
+package user
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/zitadel/zitadel/internal/domain"
+	user "github.com/zitadel/zitadel/pkg/grpc/user/v2beta"
+)
+
+func Test_notificationTypeToDomain(t *testing.T) {
+	tests := []struct {
+		name             string
+		notificationType user.NotificationType
+		want             domain.NotificationType
+	}{
+		{
+			"unspecified",
+			user.NotificationType_NOTIFICATION_TYPE_Unspecified,
+			domain.NotificationTypeEmail,
+		},
+		{
+			"email",
+			user.NotificationType_NOTIFICATION_TYPE_Email,
+			domain.NotificationTypeEmail,
+		},
+		{
+			"sms",
+			user.NotificationType_NOTIFICATION_TYPE_SMS,
+			domain.NotificationTypeSms,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			assert.Equalf(t, tt.want, notificationTypeToDomain(tt.notificationType), "notificationTypeToDomain(%v)", tt.notificationType)
+		})
+	}
+}