Actually no. This proces the opposite. .
1. He doesn't have it as confirmed by thr best observation haki user on the island .. sanjis parralel "Gaban" himself
2. Gaban is talking about another use/step to advanced coc. So you expecting sanji to get coc and the 2nds step to advanced coc within the same arc? Dude is not luffy, zoro, koby