* [Listview] Initial implementation for left to right packing.
* [Listview] fix movement in pack-left-to-right.
* Add element-next/prev keybinding and remap tab.
* [Listview] Change option name to 'flow' and use rofi orientation type.
* [Listview] Make listview work with reverse property.
* Update test for 2 new keybindings.
fixes: #1058