Trying to design a basic auto lava farm and I'm having trouble with the dispenser

This is on Java to preface

I'm this close 🤏 to figuring out an automated lava collect system using observers and dispensers

But upon my last test, instead of my dispenser activating the function of a bucket it simply pushed a bucket out into the lava filled cauldron

I checked the minecraft wiki and it's giving me conflicting evidence

According to Update 1.3.1: 12w21a: Dispensers can now use buckets to collect and dispense water and lava.

But according to the 5th paragraph under 'Usage': An empty bucket can be used to empty a cauldron with water or lava, filling the bucket with the fluid. This does not work with dispensers.

Is this a bug? Was this removed? Did someone who works on the wiki not double check the info?

Any help would be greatly appreciated 🙏

Edit: Added a picture of the setup

If it'll help here is a picture of the set up so far, Yes it's clunky but this is my first attempt at a decent automated redstone setup and I'm honestly just proud I managed to place the Observers right XD