WiFi Antenna 8dBi RP-SMA Male 2.4Ghz 5.8Ghz Dual Band + 10in U.FL MHF4 to RP SMA Female Extension Cable for M.2 NGFF + Computer Back Slot Cover Bracket

You can get WiFi cables, PCI cover and antennas (or reuse the precious ones) https://www.amazon.com/dp/B08XNBN7TT You can also find a new enclosure for you WiFi card with working small cables but you have to get them on sites likes AliExpress. Or just small cables but you have to get <5cm IPEX-4 to SMA cables (check your antennas connector to see if you need SMA or RP-SMA ones), the only issue is that you'll have to route the cables as they will be longer than your current ones.