send this immediately

The expressError handling was turning this into a text error with no payload, just a message

Author: cubap

db-controller.js

@@ -769,11 +769,13 @@ const overwrite = async function (req, res, next) {
             const currentVersion = originalObject.__rerum?.isOverwritten ?? ""
 
             if (expectedVersion !== undefined && expectedVersion !== currentVersion) {
-                err = Object.assign(err, {
+                res.status(409)
+                res.json({
                     message: `Version conflict detected. The object has been modified since your last read. Expected version: '${expectedVersion}', current version: '${currentVersion}'. Please fetch the latest version and try again.`,
                     status: 409,
-                    currentVersion: currentVersion
+                    currentVersion
                 })
+                return
             }
             else {
                 let context = objectReceived["@context"] ? { "@context": objectReceived["@context"] } : {}