feat: User metadata (#2025)

* feat: user meta data events

* feat: user meta data set tests

* feat: user meta data tests

* feat: user meta data in protos

* feat: user meta data command api

* feat: user meta data query side

* feat: proto correct order, fix handlers

* feat: proto correct order

* feat: fixes of pr comments

* feat: fixes of pr comments

* feat: value as byte array

* feat: metadata feature

* Update internal/auth/repository/eventsourcing/handler/meta_data.go

Co-authored-by: Silvan <silvan.reusser@gmail.com>

* Update internal/command/user_meta_data.go

Co-authored-by: Silvan <silvan.reusser@gmail.com>

* Update proto/zitadel/metadata.proto

Co-authored-by: Silvan <silvan.reusser@gmail.com>

* Update proto/zitadel/metadata.proto

Co-authored-by: Silvan <silvan.reusser@gmail.com>

* fix: rename metadata files and table

* fix: rename meta data to metadat in protos

* Update internal/domain/metadata.go

Co-authored-by: Silvan <silvan.reusser@gmail.com>

* fix: rename vars

* fix: rebiuld docs

* Update internal/iam/repository/view/metadata_view.go

Co-authored-by: Silvan <silvan.reusser@gmail.com>

Co-authored-by: Silvan <silvan.reusser@gmail.com>

internal/command/user_converter.go

@@ -153,3 +153,12 @@ func writeModelToPasswordlessInitCode(initCodeModel *HumanPasswordlessInitCodeWr
 		State:      initCodeModel.State,
 	}
 }
+
+func writeModelToUserMetadata(wm *UserMetadataWriteModel) *domain.Metadata {
+	return &domain.Metadata{
+		ObjectRoot: writeModelToObjectRoot(wm.WriteModel),
+		Key:        wm.Key,
+		Value:      wm.Value,
+		State:      wm.State,
+	}
+}