moveInto method
Implementation
Future<void> moveInto(VFolder ent, VEntity dragged) async {
List<VEntity> sel = selection.value;
if (!sel.contains(dragged)) {
sel.add(dragged);
}
if (sel.contains(ent)) {
sel.remove(ent);
}
for (VEntity i in sel) {
await move(i, ent);
}
selection.add([]);
update();
}