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/api/grpc/auth/metadata_converter.go

@@ -0,0 +1,29 @@
+package auth
+
+import (
+	"github.com/caos/zitadel/internal/api/grpc/metadata"
+	"github.com/caos/zitadel/internal/api/grpc/object"
+	"github.com/caos/zitadel/internal/domain"
+	"github.com/caos/zitadel/pkg/grpc/auth"
+)
+
+func BulkSetMetadataToDomain(req *auth.BulkSetMyMetadataRequest) []*domain.Metadata {
+	metadata := make([]*domain.Metadata, len(req.Metadata))
+	for i, data := range req.Metadata {
+		metadata[i] = &domain.Metadata{
+			Key:   data.Key,
+			Value: data.Value,
+		}
+	}
+	return metadata
+}
+
+func ListUserMetadataToDomain(req *auth.ListMyMetadataRequest) *domain.MetadataSearchRequest {
+	offset, limit, asc := object.ListQueryToModel(req.Query)
+	return &domain.MetadataSearchRequest{
+		Offset:  offset,
+		Limit:   limit,
+		Asc:     asc,
+		Queries: metadata.MetadataQueriesToModel(req.Queries),
+	}
+}