Merge branch '6.x' into vkarpov15/gh-14022

Author: vkarpov15

test/model.populate.test.js

@@ -11017,8 +11017,10 @@ describe('model: populate:', function() {
     const peopleList = await Person.find().
       sort({ firstName: 1 }).
       populate({ path: 'nationality', match: { desc: 'Spain' } });
-    assert.deepStrictEqual(peopleList.map(p => p.nationality?.key), [undefined, 'ES', undefined]);
-
+    assert.deepStrictEqual(peopleList.map(
+      p => p.nationality ? p.nationality.key : undefined),
+    [undefined, 'ES', undefined]
+    );
   });