nooo I mean I will do a fresh playthrough with PJ64, I don't think there are any conventional ways to convert save states between Mupen64 and Project64, it wouldn't take much of my time

What I mean by "if it didn't work" is that if the save state didn't work with your rom, it would be a simple solution just to send you my save file instead.
EDIT:
https://www.mediafire.com/?r3i7x3cn9z0k4bt
So I got you to the cutscene when you just finish the goron segment, I didn't get your gero mask, big quiver, or mask of truth though, but I did get you close to your 7 hearts, (6 of them in fact). Tell me of it works out.
