My Shaikh Dr. Abdul Hayy (Allah have mercy on him) instructed to keep the salutations in front of the Prophet (peace and blessings of Allah be upon him) concise and this is what I have found to be the recommendation of most of the scholars.
Mufti Muhammed Taqi Usmani (DB)
Source : Ashrafia
Mufti Muhammed Taqi Usmani (DB)
Source : Ashrafia