fix: flush world after switching to observer-based item collection

src/game.rs

@@ -3,6 +3,7 @@
 include!(concat!(env!("OUT_DIR"), "/atlas_data.rs"));
 
 use std::collections::HashMap;
+use std::ops::Not;
 use tracing::{debug, info, trace, warn};
 
 use crate::constants::{self, animation, MapTile, CANVAS_SIZE};
@@ -510,7 +511,7 @@ impl Game {
                     (|mut dirty: ResMut<RenderDirty>, score: Res<ScoreResource>, stage: Res<GameStage>| {
                         dirty.0 = score.is_changed() || stage.is_changed();
                     }),
-                    dirty_render_system.run_if(|dirty: Res<RenderDirty>| dirty.0 == false),
+                    dirty_render_system.run_if(|dirty: Res<RenderDirty>| dirty.0.not()),
                     combined_render_system,
                     hud_render_system,
                     touch_ui_render_system,

src/systems/collision.rs

@@ -162,7 +162,7 @@ pub fn ghost_collision_observer(
                 // Request transition via event so stage_system can process it
                 stage_events.write(StageTransition::GhostEatenPause {
                     ghost_entity: ghost,
-                    ghost_type: ghost_type,
+                    ghost_type,
                 });
 
                 // Play eat sound