feat: multiple domains (#188)

* check uniqueness on create and register user

* change user email, reserve release unique email

* usergrant unique aggregate

* usergrant uniqueness

* validate UserGrant

* fix tests

* domain is set on username in all orgs

* domain in admin

* org domain sql

* zitadel domain org name

* org domains

* org iam policy

* default org iam policy

* SETUP

* load login names

* login by login name

* login name

* fix: merge master

* fix: merge master

* Update internal/user/repository/eventsourcing/user.go

Co-authored-by: Livio Amstutz <livio.a@gmail.com>

* fix: fix unique domains

* fix: rename env variable

Co-authored-by: adlerhurst <silvan.reusser@gmail.com>
Co-authored-by: Livio Amstutz <livio.a@gmail.com>

internal/project/model/application_view.go

@@ -46,7 +46,7 @@ const (
 type ApplicationSearchQuery struct {
 	Key    ApplicationSearchKey
 	Method model.SearchMethod
-	Value  string
+	Value  interface{}
 }
 
 type ApplicationSearchResponse struct {

internal/project/model/project_grant_member_view.go

@@ -42,7 +42,7 @@ const (
 type ProjectGrantMemberSearchQuery struct {
 	Key    ProjectGrantMemberSearchKey
 	Method model.SearchMethod
-	Value  string
+	Value  interface{}
 }
 
 type ProjectGrantMemberSearchResponse struct {

internal/project/model/project_member_view.go

@@ -41,7 +41,7 @@ const (
 type ProjectMemberSearchQuery struct {
 	Key    ProjectMemberSearchKey
 	Method model.SearchMethod
-	Value  string
+	Value  interface{}
 }
 
 type ProjectMemberSearchResponse struct {

internal/project/model/project_role_view.go

@@ -38,7 +38,7 @@ const (
 type ProjectRoleSearchQuery struct {
 	Key    ProjectRoleSearchKey
 	Method model.SearchMethod
-	Value  string
+	Value  interface{}
 }
 
 type ProjectRoleSearchResponse struct {