[TTree][NFC] Clarify leaflist syntax for storing Double32_t/Float16_t arrays
[TTree][NFC] Clarify leaflist syntax for storing Double32_t/Float16_t arrays

olifre/root,olifre/root,root-mirror/root,root-mirror/root,root-mirror/root,root-mirror/root,karies/root,karies/root,karies/root,olifre/root,karies/root,olifre/root,root-mirror/root,root-mirror/root,olifre/root,olifre/root,root-mirror/root,root-mirror/root,olifre/root,olifre/root,root-mirror/root,karies/root,root-mirror/root,karies/root,karies/root,olifre/root,olifre/root,karies/root,olifre/root,karies/root,root-mirror/root,karies/root,karies/root