[Gameplay] Shaco de-stealthing immediately after casting Q

Something I've noticed several times in the past week or so is that if you cast Q to go and attack something, such as a minion, and it dies right as you blink to it, you lose your stealth even though an attack didn't go off. I think it happens most when I right-click immediately after casting Q, as though I'm trying to come out of stealth right away. While that's exactly what I want, I'd like it if I could keep my stealth because I didn't attack.

Another note, I noticed last game that you still retain the special crit buff on your next auto attack within the proper time limit.