feat: user service v2 create, update and remove (#6996)

* feat: user service v2 remove user

* feat: user service v2 add user human

* feat: user service v2 change user human

* feat: user service v2 change user human unit tests

* feat: user service v2 reactivate, deactivate, lock, unlock user

* feat: user service v2 integration tests

* fix: merge back origin/main

* lint: linter corrections

* fix: move permission check for isVerfied and password change

* fix: add deprecated notices and other review comments

* fix: consistent naming in proto

* fix: errors package renaming

* fix: remove / delete user renaming in integration test

* fix: machine user status changes through user v2 api

* fix: linting changes

* fix: linting changes

* fix: changes from review

* fix: changes from review

* fix: changes from review

* fix: changes from review

* fix: changes from review

---------

Co-authored-by: Tim Möhlmann <tim+github@zitadel.com>
Co-authored-by: Livio Spring <livio.a@gmail.com>

internal/command/user_v2_username.go

@@ -0,0 +1,37 @@
+package command
+
+import (
+	"context"
+	"strings"
+
+	"github.com/zitadel/zitadel/internal/eventstore"
+	"github.com/zitadel/zitadel/internal/repository/user"
+	"github.com/zitadel/zitadel/internal/zerrors"
+)
+
+func (c *Commands) changeUsername(ctx context.Context, cmds []eventstore.Command, wm *UserV2WriteModel, userName string) ([]eventstore.Command, error) {
+	if wm.UserName == userName {
+		return cmds, nil
+	}
+	orgID := wm.ResourceOwner
+
+	domainPolicy, err := c.domainPolicyWriteModel(ctx, orgID)
+	if err != nil {
+		return cmds, zerrors.ThrowPreconditionFailed(err, "COMMAND-79pv6e1q62", "Errors.Org.DomainPolicy.NotExisting")
+	}
+	if !domainPolicy.UserLoginMustBeDomain {
+		index := strings.LastIndex(userName, "@")
+		if index > 1 {
+			domainCheck := NewOrgDomainVerifiedWriteModel(userName[index+1:])
+			if err := c.eventstore.FilterToQueryReducer(ctx, domainCheck); err != nil {
+				return cmds, err
+			}
+			if domainCheck.Verified && domainCheck.ResourceOwner != orgID {
+				return cmds, zerrors.ThrowInvalidArgument(nil, "COMMAND-Di2ei", "Errors.User.DomainNotAllowedAsUsername")
+			}
+		}
+	}
+	return append(cmds,
+		user.NewUsernameChangedEvent(ctx, &wm.Aggregate().Aggregate, wm.UserName, userName, domainPolicy.UserLoginMustBeDomain),
+	), nil
+}