Can't use expansion packs on mac

I got a new iMac 4 a couple days ago. I'd played Sims 4 on a windows laptop beforehand and logged into my EA account to reinstall sims. I have 6 expansion packs that I'd bought on the old laptop and now that I've migrated to mac and I click 'manage add-ons' in the ea app they're all greyed out and say 'Available on Windows'. Are they not available on Mac? Spoke to EA customer support and they weren't sure why so have said they'll report it and I should be able to use expansion packs on mac. Is anyone else having this problem? Not sure what to do. I've tried relogging, redownloading EA, clearing cache files and whatever else there is to do. Don't know whether it's because I bought the expansion packs on a windows laptop but why that would change anything i don't know. I miss my expansion packs ☹️☹️