Add the "plus" icon to the "New Bone Collection" operator, and the separator line before the list of bone collections. It now matches the object's "Move to Collection" operator, and Grease Pencil's "Move to Layer" operator.
Add the "plus" icon to the "New Bone Collection" operator, and the separator line before the list of bone collections. It now matches the object's "Move to Collection" operator, and Grease Pencil's "Move to Layer" operator.