[MC-7651] Dispensers do not dispense Hopper Minecart onto tracks

When placing a minecart with hopper into a dispenser or dropper and giving it a signal it will not place it on the track unlike other minecart types

Linked issues

As the name states already a Dropper just drops items out. As for the Dispenser, confirmed.

Why has my bug report been filed as a duplicate of another when the other was only made yesterday?