歌单自定义排序后可倒序排列，支持更多倒序

[yuxigu5254]

仅仅提交一个建议。Submit just one proposal.

在你提交此建议前请注意：Please note before you submit this proposal:

• 详细阅读椒盐音乐帮助内容（应用设置-帮助）。Read more about the SaltPlayer help content (app Settings - Help).

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建议内容 The proposals

<在此输入你的建议 Enter your suggestions here>
希望排序这里弄一个一键倒序，实现更多排序的同时又精简不少

或者至少希望能够实现歌单自定义排序后可以倒序排列

辛苦大佬