The Bug:
Dispensers equipping chests on donkeys, mules or llamas don't play the chest equipping sound.
Putting a chest on a donkey, mule or llama by hand plays the chest equip sound. A dispenser doing the same plays only its own click. 26.4 Snapshot 4 gave dispensed armor stands their placing sound (MC-312273), but not this.
Steps to Reproduce:
Turn on closed captions.
Place a dispenser and put down a chest inside of it.
Summon a tamed donkey in front of the dispenser by using the command provided below.
/summon minecraft:donkey ~ ~ ~ {Tame:1b}Activate the dispenser and listen closely as you do this.
Observed Behavior:
A dispenser equipping the mob with a chest plays no equipping sound.
Expected Behavior:
The chest equipping sound would play.