Fix dialog placement and decorations and compact confirmation dialogs

compositor/src/state.rs

@@ -37,7 +37,6 @@ use smithay::output::Output;
 use smithay::reexports::calloop::generic::Generic;
 use smithay::reexports::calloop::{EventLoop, Interest, LoopSignal, Mode, PostAction};
 use smithay::reexports::drm::control::crtc;
-use smithay::reexports::wayland_protocols::xdg::decoration::zv1::server::zxdg_toplevel_decoration_v1::Mode as DecorationMode;
 use smithay::reexports::wayland_protocols::xdg::shell::server::xdg_toplevel;
 use smithay::reexports::wayland_server::backend::{ClientData, ClientId, DisconnectReason, ObjectId};
 use smithay::reexports::wayland_server::protocol::wl_surface::WlSurface;