[Machine] Perhaps I saw the Prophet ﷺ offer the Witr prayer while the people were standing for the Fajr prayer. Hatim ibn Salim al-Basri, also known as al-A'raj, performed it individually with him. And the hadith of Ibn Jurayj is considered more authentic than that, and Allah knows best.
رُبَّمَا رَأَيْتُ النَّبِيَّ ﷺ يُوتِرُ وَقَدْ قَامَ النَّاسَ لِصَلَاةِ الصُّبْحِ تَفَرَّدَ بِهِ حَاتِمُ بْنُ سَالِمِ الْبَصْرِيُّ وَيُقَالُ لَهُ الْأَعْرَجِيُّ وَحَدِيثُ ابْنِ جُرَيْجٍ أَصَحُّ مِنْ ذَلِكَ وَاللهُ أَعْلَمُ