Only genuine Nintendo Wiimotes are guaranteed to work with Dolphin. If it's a 3rd-party or fake wiimote, then it's a hit or miss (some may work, some not). In your case it seems that you're out of luck, there's nothing you can do about it other than getting a genuine wiimote, I think =/
Avell A70 MOB: Core i7-11800H, GeForce RTX 3060, 16 GB DDR4-3200, Windows 11 (Insider Preview)
ASRock Z97M OC Formula: Pentium G3258, GeForce GT 440, 16 GB DDR3-1600, Windows 10 (22H2)
ASRock Z97M OC Formula: Pentium G3258, GeForce GT 440, 16 GB DDR3-1600, Windows 10 (22H2)