Update lib/types/documentArray/index.js

Co-authored-by: Copilot <[email protected]>

Author: AbdelrahmanHafez

lib/types/documentArray/index.js

@@ -93,7 +93,7 @@ function MongooseDocumentArray(values, path, doc, schematype) {
         DocumentArrayMethods.set.call(proxy, prop, value, false);
       } else if (Object.hasOwn(internals, prop)) {
         internals[prop] = value;
-      } else if (Object.hasOwn(schematype?.virtuals, prop)) {
+      } else if (schematype?.virtuals && Object.hasOwn(schematype.virtuals, prop)) {
         schematype.virtuals[prop].applySetters(value, target);
       } else {
         __array[prop] = value;