fix: empty out all gridmap layers under candy pump and use precise duration timer for projectile destruction (experimental branch)

scripts/controllers/candy_cannon_controller.gd

@@ -128,8 +128,10 @@ func spawn_projectile(target_world_pos: Vector3, duration: float) -> void:
 	# We need to wait for the X/Z tween to finish, but since it's parallel we can just use a separate timer or tween
 	# to kill the projectile exactly when duration is reached, ensuring it doesn't get killed early by X/Z finishing 1 frame earlier than Y
 	get_tree().create_timer(duration).timeout.connect(func():
-		if is_instance_valid(spin_tween): spin_tween.kill()
-		if is_instance_valid(projectile): projectile.queue_free()
+		if is_instance_valid(spin_tween): 
+			spin_tween.kill()
+		if is_instance_valid(projectile): 
+			projectile.queue_free()
 	)
 
 func can_rpc() -> bool:

scripts/managers/gauntlet_manager.gd

@@ -391,7 +391,7 @@ func sync_arena_setup() -> void:
 	print("[Gauntlet] Client: Syncing Arena Setup (%dx%d)..." % [ARENA_COLUMNS, ARENA_ROWS])
 	_apply_arena_setup()
 
-	func _apply_arena_setup() -> void:
+func _apply_arena_setup() -> void:
 	"""Shared arena layout logic for host + clients."""
 	if not gridmap:
 		gridmap = get_parent().get_node_or_null("EnhancedGridMap")