refactor: simplify code

Author: brc-dd

Diff for: src/node/markdown/plugins/restoreEntities.ts

@@ -1,19 +1,11 @@
 import type MarkdownIt from 'markdown-it'
 
 export function restoreEntities(md: MarkdownIt): void {
-  md.core.ruler.before('text_join', 'entity', (state) => {
-    for (const token of state.tokens) {
-      if (token.type !== 'inline' || !token.children) continue
-
-      for (const child of token.children) {
-        if (child.type === 'text_special' && child.info === 'entity') {
-          child.type = 'entity'
-        }
-      }
+  md.core.ruler.disable('text_join')
+  md.renderer.rules.text_special = (tokens, idx) => {
+    if (tokens[idx].info === 'entity') {
+      return tokens[idx].markup // leave as is so Vue can handle it
     }
-  })
-
-  md.renderer.rules.entity = (tokens, idx) => {
-    return tokens[idx].markup // leave as is so Vue can handle it
+    return md.utils.escapeHtml(tokens[idx].content)
   }
 }