[Gameplay] - Adjust batch modifier from upgraded Han CC
Reported on the Forums: https://wildfiregames.com/forum/topic/106426-incredibly-fast-training-times/
Solution: Use half the current value (for now)
Refs: #6755 because of the description
accepted by: no one, but there seemed to be a general agreement that a reduction would be ok.
Differential Revision: https://code.wildfiregames.com/D4961