修复未在队伍角色无法更换时装的问题

顺便给获取scene的都判断了下nil

gs/game/video_player.go

@@ -1,6 +1,7 @@
 package game
 
 import (
+	"hk4e/pkg/logger"
 	"image"
 	"image/color"
 	"image/jpeg"
@@ -223,6 +224,10 @@ func (g *GameManager) VideoPlayerUpdate(rgb bool) {
 	}
 	world := WORLD_MANAGER.GetAiWorld()
 	scene := world.GetSceneById(3)
+	if scene == nil {
+		logger.Error("scene is nil, sceneId: %v", 3)
+		return
+	}
 	for _, v := range SCREEN_ENTITY_ID_LIST {
 		scene.DestroyEntity(v)
 	}