The fix for this issue has been validated in 11777743. Thank you for your collective efforts! If you observe this issue again in a later build, please contribute / create a new report.

1. Snap Repair, Rearm, Refuel Commodities to cargo grid on Ship with Hangar
2. Store Ship
3. Call Ship
4. Commodities are no longer there

What happened
Stored Repair Rearm and Refuel Commodities aboard the Idris by snapping them to the cargo grid - Stored the Ship - Recalled the Ship back up and the commodities were no longer there.

What should have happened
Commodities should stay snapped to the grid.

Workaround
Un-Snap the Commodities before storing. They seem to stay on the hangar if they are not snapped.