Splash potions and lingering potions are ineffective when they are shoot from a dispenser

If you put a splash potion or a lingering potion into a dispenser and activate it, the splash potion is ineffective and the lingering potion won't create area effect cloud, and these potions all create the same magenta particles, whatever the potion is. If the potion is thrown by player or witch or summon with command, this bug won't happened.