Fix crash with egg hatching

src/ui/egg-hatch-scene-handler.ts

@@ -32,8 +32,8 @@ export default class EggHatchSceneHandler extends UiHandler {
 
   processInput(button: Button): boolean {
     if (button === Button.ACTION || button === Button.CANCEL) {
-      const phase = this.scene.getCurrentPhase() as EggHatchPhase;
-      if (phase.trySkip())
+      const phase = this.scene.getCurrentPhase();
+      if (phase instanceof EggHatchPhase && phase.trySkip())
         return true;
     }