(#51703371) Refactor PostUtil's sanitize methods: Refactored sanitizePostForSavingMassEdit and sanitizePostForSavingMassDelete
(#51703371) Refactor PostUtil's sanitize methods: Refactored sanitizePostForSavingMassEdit and sanitizePostForSavingMassDelete

raymondlamwu/zurmotest,raymondlamwu/zurmotest,raymondlamwu/zurmotest