[bug]: Escaped HTML Entites in Link Preview content.

[nfnfgo]

Version Info

## Version Info:  Plugin Version: 2.30.12  ## Other Info: - Ensure problem persist even only enable this plugin

Actual Behaviour

Escaped HTML Entites like & are not porperly displayed as &.

Expected Behaviour

HTML Entities displayed correctly.

[xiyuesaves]

已修复