fix: Resolve async initialization and asset loading errors

src/client/graphics/layers/UnitLayer.ts

@@ -81,7 +81,7 @@ export class UnitLayer implements Layer {
     this.eventBus.on(MouseUpEvent, (e) => this.onMouseUp(e));
     this.eventBus.on(TouchEvent, (e) => this.onTouch(e));
     this.eventBus.on(UnitSelectionEvent, (e) => this.onUnitSelectionChange(e));
-    this.initializeAssetsAndRedraw().catch((error) =>
+    void this.initializeAssetsAndRedraw().catch((error) =>
       console.error("Error in async initialization:", error),
     ); // Call the async method without awaiting
   }