refactor: use onComplete

packages/pinball_components/lib/src/components/dash_animatronic.dart

@@ -38,17 +38,9 @@ class DashAnimatronic extends SpriteAnimationComponent with HasGameRef {
         textureSize: textureSize,
         loop: false,
       ),
-    );
-  }
-
-  @override
-  void update(double dt) {
-    super.update(dt);
-    if (animation != null) {
-      if (animation!.isLastFrame) {
-        animation!.reset();
+    )..onComplete = () {
+        animation?.reset();
         playing = false;
-      }
-    }
+      };
   }
 }

packages/pinball_components/lib/src/components/sparky_animatronic.dart

@@ -38,17 +38,9 @@ class SparkyAnimatronic extends SpriteAnimationComponent with HasGameRef {
         textureSize: textureSize,
         loop: false,
       ),
-    );
-  }
-
-  @override
-  void update(double dt) {
-    super.update(dt);
-    if (animation != null) {
-      if (animation!.isLastFrame) {
-        animation!.reset();
+    )..onComplete = () {
+        animation?.reset();
         playing = false;
-      }
-    }
+      };
   }
 }

packages/pinball_components/test/src/components/dash_animatronic_test.dart

@@ -56,8 +56,7 @@ void main() {
         await game.ensureAdd(dashAnimatronic);
 
         dashAnimatronic.playing = true;
-        dashAnimatronic.animation?.setToLast();
-        game.update(1);
+        game.update(4);
 
         expect(dashAnimatronic.playing, isFalse);
       },

packages/pinball_components/test/src/components/sparky_animatronic_test.dart

@@ -56,8 +56,7 @@ void main() {
         await game.ensureAdd(sparkyAnimatronic);
 
         sparkyAnimatronic.playing = true;
-        sparkyAnimatronic.animation?.setToLast();
-        game.update(1);
+        game.update(3);
 
         expect(sparkyAnimatronic.playing, isFalse);
       },