Mekanism Additions

4267179 - Use enqueueWork in ClientSetupEvents for things that are not backed by a Concurrent Map #6775
d20a048 - Fix syncable itemstack syncing empty stacks when nothing actually changed. It turns out ItemStack#isItemEqual checks to make sure the stack is not empty and if it is, returns false even if the other stack is also empty
3bd3fb2 - Fix having moved too much stuff to enqueue work in client setup in https://github.com/mekanism/Mekanism/commit/4267179e2fe53b2758c5bc47c5c01f0a1077fad2
3b80bdf - fix NPE when getGameProfile called from a superclass' constructor
a63277f - attempt to prevent null for #6856
50f5668 - attempt to prevent infinite explosions when forge event cancelled
285d0df - Add a message to the null pointer crash from ol man optifine
e33320c - bump version to 10.0.19
fb9a08c - Updated the maven version in the readme (#6777)
521c257 - New Crowdin updates (#6772)