Abu Dawood said: Al-sha'bl, Abu Malik, Qatadah, and Thabit b. "Umarah said: The prophet( ﷺ) did not write" In the name of Allah, the compassionate, the merciful" until Surah al-naml was revealed. This is the meaning of what they said. Further, this is a mursal traditional(omitting the name of the companion)
In-book : Book 2, Hadith 397
English translation : Book 2, Hadith 786