feat: complete dynamic domain handling (#3482)

* feat: dynamic issuer

* feat: default language from context

* remove zitadel docs from defaults

* remove ConsoleOverwriteDir

* remove notification endpoints from defaults

* custom domains in emails

* remove (external) domain

* external domain completely removed, console handling fixed

* fix test

* fix defaults.yaml

internal/api/grpc/admin/server.go

@@ -24,7 +24,6 @@ type Server struct {
 	command         *command.Commands
 	query           *query.Queries
 	administrator   repository.AdministratorRepository
-	iamDomain       string
 	assetsAPIDomain string
 	userCodeAlg     crypto.EncryptionAlgorithm
 }
@@ -36,7 +35,6 @@ type Config struct {
 func CreateServer(command *command.Commands,
 	query *query.Queries,
 	repo repository.Repository,
-	iamDomain,
 	assetsAPIDomain string,
 	userCodeAlg crypto.EncryptionAlgorithm,
 ) *Server {
@@ -44,7 +42,6 @@ func CreateServer(command *command.Commands,
 		command:         command,
 		query:           query,
 		administrator:   repo,
-		iamDomain:       iamDomain,
 		assetsAPIDomain: assetsAPIDomain,
 		userCodeAlg:     userCodeAlg,
 	}