fix: fix Chinese urlencode displaying problem in permalink

[longguzzz]

replace post.permalink with decodeURI(post.permalink)
replace page.permalink with decodeURI(page.permalink)

PR Type

• [ x ] Bugfix.
• Feature.
• Code style update (formatting, local variables).
• Refactoring (no functional changes, no api changes).
• Build & CI related changes.
• Documentation.
• Translation.
• Other... Please describe:

Description

文章底部的永久分享链接里面，中文是urlencode形式的。hexo提供了decodeURI()函数，所以在引用到的相关地方调用了这个函数。

Others

• Issue resolved:

• Screenshots with this changes:

• Link to demo site with this changes:

参考

• hexo permalink中文乱码解决方案 | 最暖一天