change opt name to follow our standard
Add opt local_adv_sub1_adv_inc_sub1

AdvancedSubtensor1(AdvancedIncSubtensor1(0s, y, idx), idx) -> y
AdvancedSubtensor1(AdvancedSetSubtensor1(x, y, idx), idx) -> y

gh-2246

TODO: doc the new tag
optimize consecutive cast