Why do the front wheels spin while supposedly in the

I hit a patch of ice and slide into the curb. I was going no more than 1-10 miles per hour when this occurred. But it did a lot of damage because the impact was on the side of the wheel rather than hitting it straight. I slowly got it back to the house and jacked it up to inspect (the right front wheel was sitting in at the bottom so I knew something was wrong but I couldn't find any snapped parts so I felt it was safe to drive). I found the rear beam to be damaged (part that the power steering rack sits inside). I also noticed the left front axle was damaged (on the opposite side of the impact). I am professionally a mechanic so I decided to fix it myself rather than sending it to a body shop. I replaced both and got the car mostly put back together. I have now noticed that the front wheels can still spin while the car is in the "park" position. This was not an issue prior to me starting the job. I have tried diagnosing it but I am quite dumbfounded at this point. Any ideas?

I can give more technical information or explanations if needed.