Assign sent back translate/sub tasks to the previous assignee.
Assign sent back translate/sub tasks to the previous assignee.

For https://unisubs.sifterapp.com/projects/12298/issues/529114/comments

ofer43211/unisubs,ReachingOut/unisubs,eloquence/unisubs,ofer43211/unisubs,wevoice/wesub,norayr/unisubs,norayr/unisubs,ujdhesa/unisubs,ofer43211/unisubs,norayr/unisubs,pculture/unisubs,wevoice/wesub,ujdhesa/unisubs,ujdhesa/unisubs,norayr/unisubs,ReachingOut/unisubs,pculture/unisubs,eloquence/unisubs,pculture/unisubs,wevoice/wesub,ofer43211/unisubs,ujdhesa/unisubs,eloquence/unisubs,eloquence/unisubs,wevoice/wesub,pculture/unisubs,ReachingOut/unisubs,ReachingOut/unisubs