[1.8.x] Fixed #24343 -- Ensure db converters are used for foreign keys.

Joint effort between myself, Josh, Anssi and Shai.

Conflicts:
	django/db/models/query.py
	tests/model_fields/models.py

Backport of 4755f8fc25331c739a6f932cc8aba0cc9e62e352 from master.

1 files changed, 4 insertions, 0 deletions

diff --git a/tests/model_fields/models.py b/tests/model_fields/models.py
index 5f580624ba..3d25c89607 100644
--- a/tests/model_fields/models.py
+++ b/tests/model_fields/models.py
@@ -369,3 +369,7 @@ class NullableUUIDModel(models.Model):
 
 class PrimaryKeyUUIDModel(models.Model):
     id = models.UUIDField(primary_key=True, default=uuid.uuid4)
+
+
+class RelatedToUUIDModel(models.Model):
+    uuid_fk = models.ForeignKey('PrimaryKeyUUIDModel')