[3.0.x] Refs #31115 -- Added test for nested subquery that references related fields.

Thanks Dmitriy Gunchenko for the report and Simon Charette for the
analysis and tests.

Regression in 5a4d7285bd.

Fixed in 5a4d7285bd.
Backport of 45bcc6feac from master

tests/expressions/tests.py

@@ -537,6 +537,21 @@ class BasicExpressionsTests(TestCase):
         )
         self.assertCountEqual(contrived.values_list(), outer.values_list())
 
+    def test_nested_subquery_join_outer_ref(self):
+        inner = Employee.objects.filter(pk=OuterRef('ceo__pk')).values('pk')
+        qs = Employee.objects.annotate(
+            ceo_company=Subquery(
+                Company.objects.filter(
+                    ceo__in=inner,
+                    ceo__pk=OuterRef('pk'),
+                ).values('pk'),
+            ),
+        )
+        self.assertSequenceEqual(
+            qs.values_list('ceo_company', flat=True),
+            [self.example_inc.pk, self.foobar_ltd.pk, self.gmbh.pk],
+        )
+
     def test_nested_subquery_outer_ref_2(self):
         first = Time.objects.create(time='09:00')
         second = Time.objects.create(time='17:00')