feat: add assets to eventstore and event (#1674)

* fix: add assets to eventstore and event

* fix: project member, grant member, app changed tests

* fix: asset migrations

* feat: add asset tests

* feat: add asset tests

* Update internal/eventstore/repository/repository.go

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

* feat: add asset tests

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

internal/command/user_machine_test.go

@@ -128,6 +128,7 @@ func TestCommandSide_AddMachine(t *testing.T) {
 								),
 							),
 						},
+						nil,
 						uniqueConstraintsFromEventConstraint(user.NewAddUsernameUniqueConstraint("username", "org1", true)),
 					),
 				),
@@ -291,6 +292,7 @@ func TestCommandSide_ChangeMachine(t *testing.T) {
 								newMachineChangedEvent(context.Background(), "user1", "org1", "name1", "description1"),
 							),
 						},
+						nil,
 					),
 				),
 			},