Update page model relationships

app/models/api/Page.model.js

@@ -16,7 +16,7 @@ class Page extends Model {
 		return {
 			UUID: {type: String, default: () => uuid()},
 			Name: String,
-			OrgUserId: String,
+			OrgUserId: ObjectId,
 			IsPublic: {type: Boolean, default: true},
 			IsVisibleInMenu: {type: Boolean, default: true},
 			ParentId: String,
@@ -37,16 +37,16 @@ class Page extends Model {
 
 	get nodes() {
 		const Node = this.models.get("api:Node");
-		return this.has_many(Node, "NodeIds", "_id");
+		return this.has_many(Node, "NodeIds", "UUID");
 	}
 	get childPages() {
 		const Page = this.models.get("api:Page")
-		return this.has_many(Page, "ChildPageIds", "_id")
+		return this.has_many(Page, "ChildPageIds", "UUID")
 	}
 
 	get parent() {
 		const Parent = this.models.get("api:Page")
-		return this.belongs_to_one(Parent, "ParentId", "_id")
+		return this.belongs_to_one(Parent, "ParentId", "UUID")
 	}
 
 	accessible_by(user, mode = 'view') {