I think he was joking about watching Disney movies while stoned. In that case, they should hand out acid with Fantasia tickets!
Now, back to the original question: The answer is "no". Drug-sniffing dogs can not find edibles. You are totally safe doing that.
My question is: why are you going to trust me or anyone else on some relatively anonymous forum when it comes to
your risk at being busted, fined, and jailed? Sure, do some research and ask around - but seems silly to
demand a reliable answer from a bunch of strangers.