Charles Bochet
36452ecc8b
## Summary Follow-up to #20260. The `MorphRelationManyToOneFieldDisplay` component (used for polymorphic MANY_TO_ONE relations) was missing the FK-presence check that `RelationToOneFieldDisplay` already has. When RLS hides a related record (e.g., a Rocket with a policy filtering by name), the API response contains a populated FK (`polymorphicOwnerRocketId`) but a `null` relation object. The component was rendering an empty cell instead of the "Not shared" lock icon. **Fix:** - In `useMorphRelationToOneFieldDisplay`, read the record from the store and check if any morph relation FK field is populated while the relation value is null - In `MorphRelationManyToOneFieldDisplay`, render `<ForbiddenFieldDisplay />` when that condition is true | Scenario | FK in response | Relation object | Frontend display | |----------|---------------|-----------------|-----------------| | Live record | "abc" | `{ id: "abc", ... }` | Record chip | | Soft-deleted record | null | null | Empty cell | | RLS-hidden record | "abc" | null | "Not shared" | ## Test plan - Create a polymorphic MANY_TO_ONE relation (e.g., Pet → Rocket) - Add an RLS policy on the target object (e.g., Rocket name contains "Starship") - Verify the morph relation field shows "Not shared" (lock icon) for RLS-hidden records - Verify live records still display normally as record chips - Verify soft-deleted records still display as empty cells
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