The thing is, Daisy couldn't. Like I said, Daisy only appears in one mainline Mario game and doesn't fight there at all. Her only options would be from sports games, which by their very nature, depersonalize practically every character (you can't say Peach is the same in both series). It's not authentically Daisy because there's no such thing as authentically Daisy; she's a character only known for being like Peach but of Sarasa Land and a different logo. She has absolutely no character and it'd be pointless fabricating a moveset for someone who doesn't fight apart from jumping and hitting people with the same sports equipment, which would seem like a repetitive and quite frankly tasteless moveset.
The thing is, it doesn't matter. I'll admit we can't say anything is truly Zeraora-like by nature since he isn't even available yet, but electricity and aura are fundamentally different. The only thing I can see being similar is charge, which can be worked around since charge doesn't even work like you'd expect in Pokemon. Electric types are generally quick and physical, which is already a pretty massive difference from Lucario's moveset. Their similar stature would lead to some similarities in their physical attacks, but there's only so varied you can get with those when it comes to similar physique. Plus, being easy to code isn't the only thing accounted for in a moveset. Forcing ingenuine moves upon a character is kind of like shoving the idea of echo fighters down your throat; echoes should be created when original movesets are completely far-fetched. It's unlike electric types in general to be floaty and have a gauge of aura. Zeraora should just fight more so like an electric type in general, there's no reason to forcibly bend him to match an existing character.