Move task check and task assignment for upload-draft into clean_task()
Move task check and task assignment for upload-draft into clean_task()

For: https://unisubs.sifterapp.com/projects/12298/issues/625473/comments

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