Track node versions in page version

app/models/api/Page.model.js

@@ -269,6 +269,18 @@ class Page extends VersionedModel {
 		return children
 	}
 
+	async cast_to_version_data() {
+		const data = await super.cast_to_version_data()
+		const node_version_nums = []
+		const nodes = await this.nodes
+
+		for ( const node of nodes ) {
+			node_version_nums.push({ NodeId: node.UUID, version_num: node.version_num })
+		}
+
+		data.node_version_nums = node_version_nums
+		return data
+	}
 }
 
 module.exports = exports = Page;