layer-shell: only reset 'initial_configure_sent' for mapped surfaces

src/handlers/layer_shell.rs

@@ -174,13 +174,14 @@ impl State {
                         self.niri.layer_shell_on_demand_focus = Some(layer.clone());
                     }
                 } else {
-                    self.niri.mapped_layer_surfaces.remove(layer);
+                    let was_mapped = self.niri.mapped_layer_surfaces.remove(layer).is_some();
                     self.niri.unmapped_layer_surfaces.insert(surface.clone());
 
                     // After layer surface unmaps it has to perform the initial commit-configure
                     // sequence again. This is a workaround until Smithay properly resets
                     // initial_configure_sent upon the surface unmapping itself as it does for
                     // toplevels.
+                    if was_mapped {
                         with_states(surface, |states| {
                             let mut data = states
                                 .data_map
@@ -191,6 +192,7 @@ impl State {
                             data.initial_configure_sent = false;
                         });
                     }
+                }
             } else {
                 let scale = output.current_scale();
                 let transform = output.current_transform();