add remaining org/proj/user initial sync

internal/service/relationships.go

@@ -2,8 +2,6 @@ package service
 
 import (
 	"go.infratographer.com/x/gidx"
-
-	"go.equinixmetal.net/infra9-metal-bridge/internal/metal/models"
 )
 
 const (
@@ -60,5 +58,5 @@ type Relationship struct {
 type ResourceMemberships struct {
 	Resource IDPrefixableResource
 	Role     string
-	Member   *models.UserDetails
+	Member   IDPrefixableResource
 }