Character change scene Change character to specified scene

The ultra-stable FLUX version of characters changes scenes, perfectly migrates the image of characters, and characters and scenes are 100% integrated. Added character mask filling, used cropping and arithmetic to fix the current market link problem, added a second face restoration.
超稳定的FLUX版的人物换场景，完美迁移了人物的形象，人物和场景100%融合。增加人物遮罩填色，使用裁剪和运算修复了目前市面上存在的连图问题，增加二次面部还原。