Fix protruding parts of SquishyButton not triggering clicks

Author: YuriSizov

gui/widgets/SquishyButton.gd

@@ -146,6 +146,11 @@ func _get_minimum_size() -> Vector2:
 	return min_size
 
 
+func _has_point(point: Vector2) -> bool:
+	var visual_rect := Rect2(Vector2.ZERO, size).expand(_panel_position)
+	return visual_rect.has_point(point)
+
+
 func get_global_visual_rect() -> Rect2:
 	var visual_rect := Rect2(Vector2.ZERO, size).expand(_panel_position)
 	visual_rect.position += global_position