Mobs no longer drop their saddles when the gamerule doMobLoot is set to false

According to MC-15114, marked as WAI, and MC-92772, which was fixed, mobs are intended to drop their saddles upon death even when the gamerule doMobLoot is set to false. However, this no longer happens. This issue affects horses, mules, camels, skeleton horses, donkeys, zombie horses, striders and pigs. It is also related to MC-271480 and partially overlaps with MCPE-162215, but applies to all saddable mobs, not just pigs and striders.

How to reproduce

1. Summon a horse, mule, camel, skeleton horse, donkey, zombie horse, pig, or strider
2. Saddle it

3. /gamerule doMobLoot false

4. Kill it

Expected result

The mob would drop its saddle upon dying.

Observed result

The mob doesn't drop its saddle.

Note: Donkeys and mules still drop their chest when equipped, even if doMobLoot is set to false.