Fix edge case of fluid containers with subtypes being mashed together (#663) * fixes issue reported to EnderIO https://github.com/SleepyTrousers/EnderIO/issues/3906 (cherry picked from commit ac236dca54e23402b2ed336f8dda1ddd3b655eb2) # Conflicts: # src/main/java/mezz/jei/SubtypeRegistry.java