Add debug property for onPointerHover (#96555)

packages/flutter/lib/src/widgets/basic.dart

@@ -6135,6 +6135,7 @@ class Listener extends SingleChildRenderObjectWidget {
       if (onPointerDown != null) 'down',
       if (onPointerMove != null) 'move',
       if (onPointerUp != null) 'up',
+      if (onPointerHover != null) 'hover',
       if (onPointerCancel != null) 'cancel',
       if (onPointerSignal != null) 'signal',
     ];

packages/flutter/test/widgets/listener_test.dart

@@ -406,6 +406,7 @@ void main() {
       onPointerDown: (PointerDownEvent event) {},
       onPointerUp: (PointerUpEvent event) {},
       onPointerMove: (PointerMoveEvent event) {},
+      onPointerHover: (PointerHoverEvent event) {},
       onPointerCancel: (PointerCancelEvent event) {},
       onPointerSignal: (PointerSignalEvent event) {},
       behavior: HitTestBehavior.opaque,
@@ -422,7 +423,7 @@ void main() {
       'constraints: MISSING',
       'size: MISSING',
       'behavior: opaque',
-      'listeners: down, move, up, cancel, signal',
+      'listeners: down, move, up, hover, cancel, signal',
     ]);
   });
 }