refactor: simplified autopulling logic

packages/pinball_components/lib/src/components/plunger/behaviors/plunger_pulling_behavior.dart

@@ -35,9 +35,7 @@ class PlungerAutoPullingBehavior extends PlungerPullingBehavior {
 
   @override
   void update(double dt) {
-    if (bloc.state.isAutopulling) {
-      _plunger.body.linearVelocity = Vector2(0, _strength);
-    }
+    if (!bloc.state.isAutoPulling) return;
 
     final joint = _plunger.body.joints.whereType<PrismaticJoint>().single;
     final reachedBottom = joint.getJointTranslation() <= joint.getLowerLimit();

packages/pinball_components/lib/src/components/plunger/cubit/plunger_state.dart

@@ -9,7 +9,8 @@ enum PlungerState {
 }
 
 extension PlungerStateX on PlungerState {
-  bool get isPulling => this == PlungerState.pulling;
+  bool get isPulling =>
+      this == PlungerState.pulling || this == PlungerState.autopulling;
   bool get isReleasing => this == PlungerState.releasing;
-  bool get isAutopulling => this == PlungerState.autopulling;
+  bool get isAutoPulling => this == PlungerState.autopulling;
 }

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

@@ -97,8 +97,7 @@ class _PlungerSpriteAnimationGroupComponent
   void onNewState(PlungerState state) {
     super.onNewState(state);
     final startedReleasing = state.isReleasing && !current!.isReleasing;
-    final startedPulling =
-        (state.isPulling || state.isAutopulling) && !current!.isPulling;
+    final startedPulling = state.isPulling && !current!.isPulling;
     if (startedReleasing || startedPulling) {
       animation?.reset();
     }