fix: Remove user with cascading memberships (#1811)

* fix: remove usermemberships on user remove

* fix: text user remove with memberships

* fix: translations

* Update internal/iam/repository/eventsourcing/model/types.go

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

* fix: uncomment tests

* fix: remove memberships if user removed

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

internal/domain/user_membership.go

@@ -0,0 +1,29 @@
+package domain
+
+import "time"
+
+type UserMembership struct {
+	UserID      string
+	MemberType  MemberType
+	AggregateID string
+	//ObjectID differs from aggregate id if obejct is sub of an aggregate
+	ObjectID string
+
+	Roles             []string
+	DisplayName       string
+	CreationDate      time.Time
+	ChangeDate        time.Time
+	ResourceOwner     string
+	ResourceOwnerName string
+	Sequence          uint64
+}
+
+type MemberType int32
+
+const (
+	MemberTypeUnspecified MemberType = iota
+	MemberTypeOrganisation
+	MemberTypeProject
+	MemberTypeProjectGrant
+	MemberTypeIam
+)