[GAMEPLAY] Return of the Fizz Q + Sheen Bug

Back in 5.1 Fizz received a bug fix so that his Q would proc Sheen when used at close range. Over the past few days I've noticed that it isn't working anymore. I know this happens with both Sheen and Iceborn, where using Q on a close enemy doesn't activate the effect, and I would imagine this would be the case with the other items as well despite not testing it.

To replicate, buy a Sheen, stand next to a minion or champion and use your Q on them. Sheen will not proc but will be available for the next basic attack. Seems to occur every time, as long as they are well within your basic attack range. Using the ability at a distance procs the Sheen as normal. Encountered this on both Void Fizz and the base skin.