feat(WorldManager): 添加isRelease方法判断发布版本

将OS.is_debug_build()检查封装到WorldManager中，便于统一管理发布版本判断逻辑。EntityBase.gd中使用新方法替代直接调用。

scripts/Statemachine/EntityBase.gd

@@ -122,7 +122,7 @@ func _ready():
 	if isPlayer():
 		if displayName == MultiplayerState.playerName:
 			UIState.player = self
-		if !OS.is_debug_build():
+		if WorldManager.isRelease():
 			for i in weaponStore.get_children():
 				i.free()
 			weaponStore.add_child(ComponentManager.getWeapon("PurpleCrystal").instantiate())

scripts/Tools/Managers/WorldManager.gd

@@ -42,3 +42,5 @@ static func getTime():
 	return runningTime
 static func spawnNode(node: Node):
 	rootNode.spawn(node)
+static func isRelease() -> bool:
+	return !OS.is_debug_build()