I figured out a way of connecting GameCube Controllers to Nintendo Switch without the Dock, all you need is a USB to USB C Adapter and Nintendo's New adjustable kickstand that's releasing
How to use the Official GameCube Controller Adapter for Wii U in Dolphin - Dolphin Emulator Wiki
For Gamecube Controller Adapter For Nintendo Switch Wii U Pc 4 Ports With Turbo And Home Button Mode No Driver - Parts & Accs - AliExpress
Confirmed: The Wii U GameCube Controller Adapter will not work on DDR, Active Life, or Cyberbike | Gaming.Fit
MAYFLASH GameCube Controller Adapter for Wii U & PC (2 Ports) for sale online | eBay
GameCube Controller Adapter for Wii U, Nintendo Switch and PC USB by L
How to use a GameCube controller on PC | WePC Gaming