sway 1.7-rc2

David Rosca (1):
      container: Fix crash when view unmaps + maps quickly

David96 (1):
      commands/move: Fix crash when pos_y is omitted

Nathan Schulte (2):
      swaybar: fix tray_padding vs min-height re: scale
      swaybar: fix tray item icon scaling, positioning

Simon Ser (2):
      Destroy sub-surfaces with parent layer-shell surface
      build: bump version to 1.7-rc2

Thomas Hebb (1):
      input/seat: unset has_focus when focus_stack becomes empty