shell: One workspace per output

src/backend/kms/mod.rs

@@ -1507,7 +1507,6 @@ impl KmsState {
             false
         };
 
-        shell.refresh_outputs();
         if recreated {
             let sessions = output.pending_buffers().collect::<Vec<_>>();
             if let Err(err) = self.schedule_render(

src/backend/winit.rs

@@ -349,7 +349,6 @@ impl State {
                 output.change_current_state(Some(mode), None, None, None);
                 layer_map_for_output(output).arrange();
                 self.common.output_configuration_state.update();
-                self.common.shell.refresh_outputs();
                 render_ping.ping();
             }
             WinitEvent::Refresh => render_ping.ping(),

src/backend/x11.rs

@@ -448,7 +448,6 @@ pub fn init_backend(
                     output.set_preferred(mode);
                     layer_map_for_output(output).arrange();
                     state.common.output_configuration_state.update();
-                    state.common.shell.refresh_outputs();
                     surface.dirty = true;
                     if !surface.pending {
                         surface.render.ping();