Fix default sub request description submission
Fix default sub request description submission

The description of a request was being submitted
to the server even when it was unchanged (the
default message is there). Fixed now.

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