.m3u multi-disc files open with incorrect game hash, unsuitable for RetroAchievements

[Duuuuckstep]

This issue happens for any multi-disc GameCube game. Launching from the disc 1 .rvz itself is fine, the issue only occurs when using an .m3u file for RetroArch's disc control.

Launching Resident Evil Zero (USA) through the .m3u as an example:

[Everton-MA]

i've had this issue happen to me a while ago, i found out this only happens with discs in .rvz format, when using discs in .iso format it works launching the .m3u file with retroachievements support