fix(book/searchContent): search nothing if chineseConvert enabled

app/src/main/java/io/legado/app/ui/book/searchContent/SearchContentViewModel.kt

@@ -50,7 +50,7 @@ class SearchContentViewModel(application: Application) : BaseViewModel(applicati
                         }
                         mContent = contentProcessor!!.getContent(
                             book, chapter, chapterContent,
-                            chineseConvert = false,
+                            chineseConvert = true,
                             reSegment = false,
                             useReplace = false
                         ).joinToString("")