add counting time_change and text_change for TranslationVersion and VideoCaptionVersion fix creating copy of action, when version of captions are saved
add counting time_change and text_change for TranslationVersion and VideoCaptionVersion
fix creating copy of action, when version of captions are saved

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